Home / 177,819.86-266,938.16-140,405.15

Finding the Fourth Proportional to 177,819.86, 266,938.16 and 140,405.15

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Solution

The fourth proportional to 177,819.86, 266,938.16 and 140,405.15 is: 210,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,819.86 : 266,938.16 = 140,405.15 : x
  2. Step 2: Convert to fraction form
    177,819.86/266,938.16 = 140,405.15/x
  3. Step 3: Cross multiply
    177,819.86x = 266,938.16 × 140,405.15
  4. Step 4: Simplify right side
    177,819.86x = 37,479,490,358.81
  5. Step 5: Solve for x
    x = 37,479,490,358.81/177,819.86
  6. Step 6: Final answer
    x = 210,772.25

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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.