Home / 178,371.11-267,528.18-51,981.80

Finding the Fourth Proportional to 178,371.11, 267,528.18 and 51,981.80

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Solution

The fourth proportional to 178,371.11, 267,528.18 and 51,981.80 is: 77,964.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,371.11 : 267,528.18 = 51,981.80 : x
  2. Step 2: Convert to fraction form
    178,371.11/267,528.18 = 51,981.80/x
  3. Step 3: Cross multiply
    178,371.11x = 267,528.18 × 51,981.80
  4. Step 4: Simplify right side
    178,371.11x = 13,906,595,009.48
  5. Step 5: Solve for x
    x = 13,906,595,009.48/178,371.11
  6. Step 6: Final answer
    x = 77,964.39

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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.