Home / 238,590.68-329,253.54-131,158.04

Finding the Fourth Proportional to 238,590.68, 329,253.54 and 131,158.04

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Solution

The fourth proportional to 238,590.68, 329,253.54 and 131,158.04 is: 180,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,590.68 : 329,253.54 = 131,158.04 : x
  2. Step 2: Convert to fraction form
    238,590.68/329,253.54 = 131,158.04/x
  3. Step 3: Cross multiply
    238,590.68x = 329,253.54 × 131,158.04
  4. Step 4: Simplify right side
    238,590.68x = 43,184,248,969.46
  5. Step 5: Solve for x
    x = 43,184,248,969.46/238,590.68
  6. Step 6: Final answer
    x = 180,997.22

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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.