Home / 316,179.68-474,270.33-129,191.18

Finding the Fourth Proportional to 316,179.68, 474,270.33 and 129,191.18

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Solution

The fourth proportional to 316,179.68, 474,270.33 and 129,191.18 is: 193,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,179.68 : 474,270.33 = 129,191.18 : x
  2. Step 2: Convert to fraction form
    316,179.68/474,270.33 = 129,191.18/x
  3. Step 3: Cross multiply
    316,179.68x = 474,270.33 × 129,191.18
  4. Step 4: Simplify right side
    316,179.68x = 61,271,543,571.69
  5. Step 5: Solve for x
    x = 61,271,543,571.69/316,179.68
  6. Step 6: Final answer
    x = 193,787.10

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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.