Home / 126,731.01-174,881.85-72,275.19

Finding the Fourth Proportional to 126,731.01, 174,881.85 and 72,275.19

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Solution

The fourth proportional to 126,731.01, 174,881.85 and 72,275.19 is: 99,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,731.01 : 174,881.85 = 72,275.19 : x
  2. Step 2: Convert to fraction form
    126,731.01/174,881.85 = 72,275.19/x
  3. Step 3: Cross multiply
    126,731.01x = 174,881.85 × 72,275.19
  4. Step 4: Simplify right side
    126,731.01x = 12,639,618,416.01
  5. Step 5: Solve for x
    x = 12,639,618,416.01/126,731.01
  6. Step 6: Final answer
    x = 99,735.80

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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.