Home / 238,520.16-329,157.60-131,097.12

Finding the Fourth Proportional to 238,520.16, 329,157.60 and 131,097.12

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Solution

The fourth proportional to 238,520.16, 329,157.60 and 131,097.12 is: 180,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,520.16 : 329,157.60 = 131,097.12 : x
  2. Step 2: Convert to fraction form
    238,520.16/329,157.60 = 131,097.12/x
  3. Step 3: Cross multiply
    238,520.16x = 329,157.60 × 131,097.12
  4. Step 4: Simplify right side
    238,520.16x = 43,151,613,386.11
  5. Step 5: Solve for x
    x = 43,151,613,386.11/238,520.16
  6. Step 6: Final answer
    x = 180,913.90

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1.5x scale

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.