Home / 177,890.40-266,812.56-67,068

Finding the Fourth Proportional to 177,890.40, 266,812.56 and 67,068

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Solution

The fourth proportional to 177,890.40, 266,812.56 and 67,068 is: 100,593.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,890.40 : 266,812.56 = 67,068 : x
  2. Step 2: Convert to fraction form
    177,890.40/266,812.56 = 67,068/x
  3. Step 3: Cross multiply
    177,890.40x = 266,812.56 × 67,068
  4. Step 4: Simplify right side
    177,890.40x = 17,894,584,774.08
  5. Step 5: Solve for x
    x = 17,894,584,774.08/177,890.40
  6. Step 6: Final answer
    x = 100,593.31

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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.