Home / 98,134.68-147,101.03-39,012.24

Finding the Fourth Proportional to 98,134.68, 147,101.03 and 39,012.24

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Solution

The fourth proportional to 98,134.68, 147,101.03 and 39,012.24 is: 58,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,134.68 : 147,101.03 = 39,012.24 : x
  2. Step 2: Convert to fraction form
    98,134.68/147,101.03 = 39,012.24/x
  3. Step 3: Cross multiply
    98,134.68x = 147,101.03 × 39,012.24
  4. Step 4: Simplify right side
    98,134.68x = 5,738,740,686.61
  5. Step 5: Solve for x
    x = 5,738,740,686.61/98,134.68
  6. Step 6: Final answer
    x = 58,478.21

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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.