Home / 126,552.64-174,637.11-72,839.38

Finding the Fourth Proportional to 126,552.64, 174,637.11 and 72,839.38

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Solution

The fourth proportional to 126,552.64, 174,637.11 and 72,839.38 is: 100,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,552.64 : 174,637.11 = 72,839.38 : x
  2. Step 2: Convert to fraction form
    126,552.64/174,637.11 = 72,839.38/x
  3. Step 3: Cross multiply
    126,552.64x = 174,637.11 × 72,839.38
  4. Step 4: Simplify right side
    126,552.64x = 12,720,458,817.39
  5. Step 5: Solve for x
    x = 12,720,458,817.39/126,552.64
  6. Step 6: Final answer
    x = 100,515.16

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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.