Home / 237,565.30-327,840.20-130,139.20

Finding the Fourth Proportional to 237,565.30, 327,840.20 and 130,139.20

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Solution

The fourth proportional to 237,565.30, 327,840.20 and 130,139.20 is: 179,592.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,565.30 : 327,840.20 = 130,139.20 : x
  2. Step 2: Convert to fraction form
    237,565.30/327,840.20 = 130,139.20/x
  3. Step 3: Cross multiply
    237,565.30x = 327,840.20 × 130,139.20
  4. Step 4: Simplify right side
    237,565.30x = 42,664,860,705.14
  5. Step 5: Solve for x
    x = 42,664,860,705.14/237,565.30
  6. Step 6: Final answer
    x = 179,592.14

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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.