Home / 177,815.60-266,931.78-140,400.90

Finding the Fourth Proportional to 177,815.60, 266,931.78 and 140,400.90

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Solution

The fourth proportional to 177,815.60, 266,931.78 and 140,400.90 is: 210,765.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,815.60 : 266,931.78 = 140,400.90 : x
  2. Step 2: Convert to fraction form
    177,815.60/266,931.78 = 140,400.90/x
  3. Step 3: Cross multiply
    177,815.60x = 266,931.78 × 140,400.90
  4. Step 4: Simplify right side
    177,815.60x = 37,477,462,150.60
  5. Step 5: Solve for x
    x = 37,477,462,150.60/177,815.60
  6. Step 6: Final answer
    x = 210,765.88

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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.