Home / 98,885.28-148,268.12-38,841.88

Finding the Fourth Proportional to 98,885.28, 148,268.12 and 38,841.88

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Solution

The fourth proportional to 98,885.28, 148,268.12 and 38,841.88 is: 58,239.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,885.28 : 148,268.12 = 38,841.88 : x
  2. Step 2: Convert to fraction form
    98,885.28/148,268.12 = 38,841.88/x
  3. Step 3: Cross multiply
    98,885.28x = 148,268.12 × 38,841.88
  4. Step 4: Simplify right side
    98,885.28x = 5,759,012,290.98
  5. Step 5: Solve for x
    x = 5,759,012,290.98/98,885.28
  6. Step 6: Final answer
    x = 58,239.33

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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.