Home / 237,251.43-327,412.26-129,821.40

Finding the Fourth Proportional to 237,251.43, 327,412.26 and 129,821.40

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Solution

The fourth proportional to 237,251.43, 327,412.26 and 129,821.40 is: 179,156.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,251.43 : 327,412.26 = 129,821.40 : x
  2. Step 2: Convert to fraction form
    237,251.43/327,412.26 = 129,821.40/x
  3. Step 3: Cross multiply
    237,251.43x = 327,412.26 × 129,821.40
  4. Step 4: Simplify right side
    237,251.43x = 42,505,117,970.36
  5. Step 5: Solve for x
    x = 42,505,117,970.36/237,251.43
  6. Step 6: Final answer
    x = 179,156.42

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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.