Home / 176,538.78-243,090.18-152,131.86

Finding the Fourth Proportional to 176,538.78, 243,090.18 and 152,131.86

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Solution

The fourth proportional to 176,538.78, 243,090.18 and 152,131.86 is: 209,482.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,538.78 : 243,090.18 = 152,131.86 : x
  2. Step 2: Convert to fraction form
    176,538.78/243,090.18 = 152,131.86/x
  3. Step 3: Cross multiply
    176,538.78x = 243,090.18 × 152,131.86
  4. Step 4: Simplify right side
    176,538.78x = 36,981,761,231.13
  5. Step 5: Solve for x
    x = 36,981,761,231.13/176,538.78
  6. Step 6: Final answer
    x = 209,482.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.