Home / 189,531.68-284,165.82-71,171.24

Finding the Fourth Proportional to 189,531.68, 284,165.82 and 71,171.24

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Solution

The fourth proportional to 189,531.68, 284,165.82 and 71,171.24 is: 106,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,531.68 : 284,165.82 = 71,171.24 : x
  2. Step 2: Convert to fraction form
    189,531.68/284,165.82 = 71,171.24/x
  3. Step 3: Cross multiply
    189,531.68x = 284,165.82 × 71,171.24
  4. Step 4: Simplify right side
    189,531.68x = 20,224,432,354.19
  5. Step 5: Solve for x
    x = 20,224,432,354.19/189,531.68
  6. Step 6: Final answer
    x = 106,707.40

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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.