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Finding the Fourth Proportional to 178,223.40, 267,168.98 and 89,373.08

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Solution

The fourth proportional to 178,223.40, 267,168.98 and 89,373.08 is: 133,976.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,223.40 : 267,168.98 = 89,373.08 : x
  2. Step 2: Convert to fraction form
    178,223.40/267,168.98 = 89,373.08/x
  3. Step 3: Cross multiply
    178,223.40x = 267,168.98 × 89,373.08
  4. Step 4: Simplify right side
    178,223.40x = 23,877,714,511.34
  5. Step 5: Solve for x
    x = 23,877,714,511.34/178,223.40
  6. Step 6: Final answer
    x = 133,976.32

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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.