Home / 98,398.13-147,586.26-35,215.70

Finding the Fourth Proportional to 98,398.13, 147,586.26 and 35,215.70

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Solution

The fourth proportional to 98,398.13, 147,586.26 and 35,215.70 is: 52,819.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,398.13 : 147,586.26 = 35,215.70 : x
  2. Step 2: Convert to fraction form
    98,398.13/147,586.26 = 35,215.70/x
  3. Step 3: Cross multiply
    98,398.13x = 147,586.26 × 35,215.70
  4. Step 4: Simplify right side
    98,398.13x = 5,197,353,456.28
  5. Step 5: Solve for x
    x = 5,197,353,456.28/98,398.13
  6. Step 6: Final answer
    x = 52,819.64

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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.