Home / 142,446.11-196,636.16-88,757.65

Finding the Fourth Proportional to 142,446.11, 196,636.16 and 88,757.65

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Solution

The fourth proportional to 142,446.11, 196,636.16 and 88,757.65 is: 122,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,446.11 : 196,636.16 = 88,757.65 : x
  2. Step 2: Convert to fraction form
    142,446.11/196,636.16 = 88,757.65/x
  3. Step 3: Cross multiply
    142,446.11x = 196,636.16 × 88,757.65
  4. Step 4: Simplify right side
    142,446.11x = 17,452,963,466.62
  5. Step 5: Solve for x
    x = 17,452,963,466.62/142,446.11
  6. Step 6: Final answer
    x = 122,523.27

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1.5x scale

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.