Home / 126,192.99-174,146.45-72,488.39

Finding the Fourth Proportional to 126,192.99, 174,146.45 and 72,488.39

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Solution

The fourth proportional to 126,192.99, 174,146.45 and 72,488.39 is: 100,034.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,192.99 : 174,146.45 = 72,488.39 : x
  2. Step 2: Convert to fraction form
    126,192.99/174,146.45 = 72,488.39/x
  3. Step 3: Cross multiply
    126,192.99x = 174,146.45 × 72,488.39
  4. Step 4: Simplify right side
    126,192.99x = 12,623,596,310.69
  5. Step 5: Solve for x
    x = 12,623,596,310.69/126,192.99
  6. Step 6: Final answer
    x = 100,034.06

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1.5x scale

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.