Home / 102,560.28-153,820.89-43,437.48

Finding the Fourth Proportional to 102,560.28, 153,820.89 and 43,437.48

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Solution

The fourth proportional to 102,560.28, 153,820.89 and 43,437.48 is: 65,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,560.28 : 153,820.89 = 43,437.48 : x
  2. Step 2: Convert to fraction form
    102,560.28/153,820.89 = 43,437.48/x
  3. Step 3: Cross multiply
    102,560.28x = 153,820.89 × 43,437.48
  4. Step 4: Simplify right side
    102,560.28x = 6,681,591,832.96
  5. Step 5: Solve for x
    x = 6,681,591,832.96/102,560.28
  6. Step 6: Final answer
    x = 65,147.95

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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.