Home / 178,490.40-267,865.08-143,848.32

Finding the Fourth Proportional to 178,490.40, 267,865.08 and 143,848.32

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Solution

The fourth proportional to 178,490.40, 267,865.08 and 143,848.32 is: 215,876.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,490.40 : 267,865.08 = 143,848.32 : x
  2. Step 2: Convert to fraction form
    178,490.40/267,865.08 = 143,848.32/x
  3. Step 3: Cross multiply
    178,490.40x = 267,865.08 × 143,848.32
  4. Step 4: Simplify right side
    178,490.40x = 38,531,941,744.67
  5. Step 5: Solve for x
    x = 38,531,941,744.67/178,490.40
  6. Step 6: Final answer
    x = 215,876.83

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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.