Home / 98,071.97-147,086.08-38,891.75

Finding the Fourth Proportional to 98,071.97, 147,086.08 and 38,891.75

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Solution

The fourth proportional to 98,071.97, 147,086.08 and 38,891.75 is: 58,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,071.97 : 147,086.08 = 38,891.75 : x
  2. Step 2: Convert to fraction form
    98,071.97/147,086.08 = 38,891.75/x
  3. Step 3: Cross multiply
    98,071.97x = 147,086.08 × 38,891.75
  4. Step 4: Simplify right side
    98,071.97x = 5,720,434,219.18
  5. Step 5: Solve for x
    x = 5,720,434,219.18/98,071.97
  6. Step 6: Final answer
    x = 58,328.94

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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.