Home / 178,931.75-268,397.71-84,092.34

Finding the Fourth Proportional to 178,931.75, 268,397.71 and 84,092.34

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Solution

The fourth proportional to 178,931.75, 268,397.71 and 84,092.34 is: 126,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,931.75 : 268,397.71 = 84,092.34 : x
  2. Step 2: Convert to fraction form
    178,931.75/268,397.71 = 84,092.34/x
  3. Step 3: Cross multiply
    178,931.75x = 268,397.71 × 84,092.34
  4. Step 4: Simplify right side
    178,931.75x = 22,570,191,274.31
  5. Step 5: Solve for x
    x = 22,570,191,274.31/178,931.75
  6. Step 6: Final answer
    x = 126,138.55

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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.