Home / 141,620.48-195,443.28-77,957.60

Finding the Fourth Proportional to 141,620.48, 195,443.28 and 77,957.60

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Solution

The fourth proportional to 141,620.48, 195,443.28 and 77,957.60 is: 107,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,620.48 : 195,443.28 = 77,957.60 : x
  2. Step 2: Convert to fraction form
    141,620.48/195,443.28 = 77,957.60/x
  3. Step 3: Cross multiply
    141,620.48x = 195,443.28 × 77,957.60
  4. Step 4: Simplify right side
    141,620.48x = 15,236,289,044.93
  5. Step 5: Solve for x
    x = 15,236,289,044.93/141,620.48
  6. Step 6: Final answer
    x = 107,585.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.