Home / 126,761.94-174,931.17-75,772.20

Finding the Fourth Proportional to 126,761.94, 174,931.17 and 75,772.20

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Solution

The fourth proportional to 126,761.94, 174,931.17 and 75,772.20 is: 104,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,761.94 : 174,931.17 = 75,772.20 : x
  2. Step 2: Convert to fraction form
    126,761.94/174,931.17 = 75,772.20/x
  3. Step 3: Cross multiply
    126,761.94x = 174,931.17 × 75,772.20
  4. Step 4: Simplify right side
    126,761.94x = 13,254,919,599.47
  5. Step 5: Solve for x
    x = 13,254,919,599.47/126,761.94
  6. Step 6: Final answer
    x = 104,565.45

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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.