Home / 237,407.15-327,622.82-129,987.17

Finding the Fourth Proportional to 237,407.15, 327,622.82 and 129,987.17

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Solution

The fourth proportional to 237,407.15, 327,622.82 and 129,987.17 is: 179,382.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,407.15 : 327,622.82 = 129,987.17 : x
  2. Step 2: Convert to fraction form
    237,407.15/327,622.82 = 129,987.17/x
  3. Step 3: Cross multiply
    237,407.15x = 327,622.82 × 129,987.17
  4. Step 4: Simplify right side
    237,407.15x = 42,586,763,368.34
  5. Step 5: Solve for x
    x = 42,586,763,368.34/237,407.15
  6. Step 6: Final answer
    x = 179,382.82

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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.