Home / 134,761.04-185,966.98-74,330.39

Finding the Fourth Proportional to 134,761.04, 185,966.98 and 74,330.39

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Solution

The fourth proportional to 134,761.04, 185,966.98 and 74,330.39 is: 102,574.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,761.04 : 185,966.98 = 74,330.39 : x
  2. Step 2: Convert to fraction form
    134,761.04/185,966.98 = 74,330.39/x
  3. Step 3: Cross multiply
    134,761.04x = 185,966.98 × 74,330.39
  4. Step 4: Simplify right side
    134,761.04x = 13,822,998,336.35
  5. Step 5: Solve for x
    x = 13,822,998,336.35/134,761.04
  6. Step 6: Final answer
    x = 102,574.14

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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.