Home / 106,618.20-159,927.30-54,130.20

Finding the Fourth Proportional to 106,618.20, 159,927.30 and 54,130.20

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Solution

The fourth proportional to 106,618.20, 159,927.30 and 54,130.20 is: 81,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,618.20 : 159,927.30 = 54,130.20 : x
  2. Step 2: Convert to fraction form
    106,618.20/159,927.30 = 54,130.20/x
  3. Step 3: Cross multiply
    106,618.20x = 159,927.30 × 54,130.20
  4. Step 4: Simplify right side
    106,618.20x = 8,656,896,734.46
  5. Step 5: Solve for x
    x = 8,656,896,734.46/106,618.20
  6. Step 6: Final answer
    x = 81,195.30

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Similar ratio
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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.