Home / 98,387.40-147,565.26-28,250.76

Finding the Fourth Proportional to 98,387.40, 147,565.26 and 28,250.76

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Solution

The fourth proportional to 98,387.40, 147,565.26 and 28,250.76 is: 42,371.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,387.40 : 147,565.26 = 28,250.76 : x
  2. Step 2: Convert to fraction form
    98,387.40/147,565.26 = 28,250.76/x
  3. Step 3: Cross multiply
    98,387.40x = 147,565.26 × 28,250.76
  4. Step 4: Simplify right side
    98,387.40x = 4,168,830,744.60
  5. Step 5: Solve for x
    x = 4,168,830,744.60/98,387.40
  6. Step 6: Final answer
    x = 42,371.59

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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.