Home / 534,642.19-801,956.36-129,837.72

Finding the Fourth Proportional to 534,642.19, 801,956.36 and 129,837.72

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Solution

The fourth proportional to 534,642.19, 801,956.36 and 129,837.72 is: 194,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,642.19 : 801,956.36 = 129,837.72 : x
  2. Step 2: Convert to fraction form
    534,642.19/801,956.36 = 129,837.72/x
  3. Step 3: Cross multiply
    534,642.19x = 801,956.36 × 129,837.72
  4. Step 4: Simplify right side
    534,642.19x = 104,124,181,312.12
  5. Step 5: Solve for x
    x = 104,124,181,312.12/534,642.19
  6. Step 6: Final answer
    x = 194,754.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.