Home / 176,387.28-243,321.10-111,742.44

Finding the Fourth Proportional to 176,387.28, 243,321.10 and 111,742.44

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Solution

The fourth proportional to 176,387.28, 243,321.10 and 111,742.44 is: 154,145.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,387.28 : 243,321.10 = 111,742.44 : x
  2. Step 2: Convert to fraction form
    176,387.28/243,321.10 = 111,742.44/x
  3. Step 3: Cross multiply
    176,387.28x = 243,321.10 × 111,742.44
  4. Step 4: Simplify right side
    176,387.28x = 27,189,293,417.48
  5. Step 5: Solve for x
    x = 27,189,293,417.48/176,387.28
  6. Step 6: Final answer
    x = 154,145.43

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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.