Home / 237,078.90-327,165.48-129,646.17

Finding the Fourth Proportional to 237,078.90, 327,165.48 and 129,646.17

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Solution

The fourth proportional to 237,078.90, 327,165.48 and 129,646.17 is: 178,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,078.90 : 327,165.48 = 129,646.17 : x
  2. Step 2: Convert to fraction form
    237,078.90/327,165.48 = 129,646.17/x
  3. Step 3: Cross multiply
    237,078.90x = 327,165.48 × 129,646.17
  4. Step 4: Simplify right side
    237,078.90x = 42,415,751,438.21
  5. Step 5: Solve for x
    x = 42,415,751,438.21/237,078.90
  6. Step 6: Final answer
    x = 178,909.85

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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.