Home / 157,273.60-217,056.76-89,311.96

Finding the Fourth Proportional to 157,273.60, 217,056.76 and 89,311.96

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Solution

The fourth proportional to 157,273.60, 217,056.76 and 89,311.96 is: 123,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,273.60 : 217,056.76 = 89,311.96 : x
  2. Step 2: Convert to fraction form
    157,273.60/217,056.76 = 89,311.96/x
  3. Step 3: Cross multiply
    157,273.60x = 217,056.76 × 89,311.96
  4. Step 4: Simplify right side
    157,273.60x = 19,385,764,666.85
  5. Step 5: Solve for x
    x = 19,385,764,666.85/157,273.60
  6. Step 6: Final answer
    x = 123,261.40

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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.