Home / 158,710.20-238,132.10-98,788.80

Finding the Fourth Proportional to 158,710.20, 238,132.10 and 98,788.80

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Solution

The fourth proportional to 158,710.20, 238,132.10 and 98,788.80 is: 148,224.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,710.20 : 238,132.10 = 98,788.80 : x
  2. Step 2: Convert to fraction form
    158,710.20/238,132.10 = 98,788.80/x
  3. Step 3: Cross multiply
    158,710.20x = 238,132.10 × 98,788.80
  4. Step 4: Simplify right side
    158,710.20x = 23,524,784,400.48
  5. Step 5: Solve for x
    x = 23,524,784,400.48/158,710.20
  6. Step 6: Final answer
    x = 148,224.78

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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.