Home / 144,638.20-216,957.30-92,279.80

Finding the Fourth Proportional to 144,638.20, 216,957.30 and 92,279.80

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Solution

The fourth proportional to 144,638.20, 216,957.30 and 92,279.80 is: 138,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,638.20 : 216,957.30 = 92,279.80 : x
  2. Step 2: Convert to fraction form
    144,638.20/216,957.30 = 92,279.80/x
  3. Step 3: Cross multiply
    144,638.20x = 216,957.30 × 92,279.80
  4. Step 4: Simplify right side
    144,638.20x = 20,020,776,252.54
  5. Step 5: Solve for x
    x = 20,020,776,252.54/144,638.20
  6. Step 6: Final answer
    x = 138,419.70

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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.