Home / 157,748.62-217,697.90-89,775.37

Finding the Fourth Proportional to 157,748.62, 217,697.90 and 89,775.37

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Solution

The fourth proportional to 157,748.62, 217,697.90 and 89,775.37 is: 123,892.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,748.62 : 217,697.90 = 89,775.37 : x
  2. Step 2: Convert to fraction form
    157,748.62/217,697.90 = 89,775.37/x
  3. Step 3: Cross multiply
    157,748.62x = 217,697.90 × 89,775.37
  4. Step 4: Simplify right side
    157,748.62x = 19,543,907,983.36
  5. Step 5: Solve for x
    x = 19,543,907,983.36/157,748.62
  6. Step 6: Final answer
    x = 123,892.74

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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.