Home / 126,355,158.72-174,359,296.98-72,711,557.64

Finding the Fourth Proportional to 126,355,158.72, 174,359,296.98 and 72,711,557.64

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Solution

The fourth proportional to 126,355,158.72, 174,359,296.98 and 72,711,557.64 is: 100,335,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,355,158.72 : 174,359,296.98 = 72,711,557.64 : x
  2. Step 2: Convert to fraction form
    126,355,158.72/174,359,296.98 = 72,711,557.64/x
  3. Step 3: Cross multiply
    126,355,158.72x = 174,359,296.98 × 72,711,557.64
  4. Step 4: Simplify right side
    126,355,158.72x = 12,677,936,072,431,148
  5. Step 5: Solve for x
    x = 12,677,936,072,431,148/126,355,158.72
  6. Step 6: Final answer
    x = 100,335,721.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.