Home / 157,748.12-217,697.21-89,774.87

Finding the Fourth Proportional to 157,748.12, 217,697.21 and 89,774.87

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Solution

The fourth proportional to 157,748.12, 217,697.21 and 89,774.87 is: 123,892.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,748.12 : 217,697.21 = 89,774.87 : x
  2. Step 2: Convert to fraction form
    157,748.12/217,697.21 = 89,774.87/x
  3. Step 3: Cross multiply
    157,748.12x = 217,697.21 × 89,774.87
  4. Step 4: Simplify right side
    157,748.12x = 19,543,737,189.75
  5. Step 5: Solve for x
    x = 19,543,737,189.75/157,748.12
  6. Step 6: Final answer
    x = 123,892.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.