Home / 142,442.43-196,631.08-88,753.98

Finding the Fourth Proportional to 142,442.43, 196,631.08 and 88,753.98

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Solution

The fourth proportional to 142,442.43, 196,631.08 and 88,753.98 is: 122,518.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,442.43 : 196,631.08 = 88,753.98 : x
  2. Step 2: Convert to fraction form
    142,442.43/196,631.08 = 88,753.98/x
  3. Step 3: Cross multiply
    142,442.43x = 196,631.08 × 88,753.98
  4. Step 4: Simplify right side
    142,442.43x = 17,451,790,941.70
  5. Step 5: Solve for x
    x = 17,451,790,941.70/142,442.43
  6. Step 6: Final answer
    x = 122,518.21

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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.