Home / 189,560.10-284,261.10-77,164.02

Finding the Fourth Proportional to 189,560.10, 284,261.10 and 77,164.02

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Solution

The fourth proportional to 189,560.10, 284,261.10 and 77,164.02 is: 115,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,560.10 : 284,261.10 = 77,164.02 : x
  2. Step 2: Convert to fraction form
    189,560.10/284,261.10 = 77,164.02/x
  3. Step 3: Cross multiply
    189,560.10x = 284,261.10 × 77,164.02
  4. Step 4: Simplify right side
    189,560.10x = 21,934,729,205.62
  5. Step 5: Solve for x
    x = 21,934,729,205.62/189,560.10
  6. Step 6: Final answer
    x = 115,713.85

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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.