Home / 177,838.60-266,693.10-71,177.80

Finding the Fourth Proportional to 177,838.60, 266,693.10 and 71,177.80

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Solution

The fourth proportional to 177,838.60, 266,693.10 and 71,177.80 is: 106,740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,838.60 : 266,693.10 = 71,177.80 : x
  2. Step 2: Convert to fraction form
    177,838.60/266,693.10 = 71,177.80/x
  3. Step 3: Cross multiply
    177,838.60x = 266,693.10 × 71,177.80
  4. Step 4: Simplify right side
    177,838.60x = 18,982,628,133.18
  5. Step 5: Solve for x
    x = 18,982,628,133.18/177,838.60
  6. Step 6: Final answer
    x = 106,740.76

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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.