Home / 96,621.60-144,932.40-65,287.20

Finding the Fourth Proportional to 96,621.60, 144,932.40 and 65,287.20

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Solution

The fourth proportional to 96,621.60, 144,932.40 and 65,287.20 is: 97,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,621.60 : 144,932.40 = 65,287.20 : x
  2. Step 2: Convert to fraction form
    96,621.60/144,932.40 = 65,287.20/x
  3. Step 3: Cross multiply
    96,621.60x = 144,932.40 × 65,287.20
  4. Step 4: Simplify right side
    96,621.60x = 9,462,230,585.28
  5. Step 5: Solve for x
    x = 9,462,230,585.28/96,621.60
  6. Step 6: Final answer
    x = 97,930.80

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1.5x scale

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.