Home / 102,560.16-153,748.96-55,200.80

Finding the Fourth Proportional to 102,560.16, 153,748.96 and 55,200.80

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Solution

The fourth proportional to 102,560.16, 153,748.96 and 55,200.80 is: 82,752.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,560.16 : 153,748.96 = 55,200.80 : x
  2. Step 2: Convert to fraction form
    102,560.16/153,748.96 = 55,200.80/x
  3. Step 3: Cross multiply
    102,560.16x = 153,748.96 × 55,200.80
  4. Step 4: Simplify right side
    102,560.16x = 8,487,065,591.17
  5. Step 5: Solve for x
    x = 8,487,065,591.17/102,560.16
  6. Step 6: Final answer
    x = 82,752.07

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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.