Home / 316,181.68-474,273.33-129,193.18

Finding the Fourth Proportional to 316,181.68, 474,273.33 and 129,193.18

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Solution

The fourth proportional to 316,181.68, 474,273.33 and 129,193.18 is: 193,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,181.68 : 474,273.33 = 129,193.18 : x
  2. Step 2: Convert to fraction form
    316,181.68/474,273.33 = 129,193.18/x
  3. Step 3: Cross multiply
    316,181.68x = 474,273.33 × 129,193.18
  4. Step 4: Simplify right side
    316,181.68x = 61,272,879,691.89
  5. Step 5: Solve for x
    x = 61,272,879,691.89/316,181.68
  6. Step 6: Final answer
    x = 193,790.10

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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.