Home / 316,077.80-474,117.18-129,089.30

Finding the Fourth Proportional to 316,077.80, 474,117.18 and 129,089.30

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Solution

The fourth proportional to 316,077.80, 474,117.18 and 129,089.30 is: 193,634.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,077.80 : 474,117.18 = 129,089.30 : x
  2. Step 2: Convert to fraction form
    316,077.80/474,117.18 = 129,089.30/x
  3. Step 3: Cross multiply
    316,077.80x = 474,117.18 × 129,089.30
  4. Step 4: Simplify right side
    316,077.80x = 61,203,454,884.17
  5. Step 5: Solve for x
    x = 61,203,454,884.17/316,077.80
  6. Step 6: Final answer
    x = 193,634.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.