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Finding the Fourth Proportional to 177,645.80, 266,123.10 and 107,316.20

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Solution

The fourth proportional to 177,645.80, 266,123.10 and 107,316.20 is: 160,765.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,645.80 : 266,123.10 = 107,316.20 : x
  2. Step 2: Convert to fraction form
    177,645.80/266,123.10 = 107,316.20/x
  3. Step 3: Cross multiply
    177,645.80x = 266,123.10 × 107,316.20
  4. Step 4: Simplify right side
    177,645.80x = 28,559,319,824.22
  5. Step 5: Solve for x
    x = 28,559,319,824.22/177,645.80
  6. Step 6: Final answer
    x = 160,765.52

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1.5x scale

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.