Home / 95,855.20-143,073.12-89,945.44

Finding the Fourth Proportional to 95,855.20, 143,073.12 and 89,945.44

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Solution

The fourth proportional to 95,855.20, 143,073.12 and 89,945.44 is: 134,252.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,855.20 : 143,073.12 = 89,945.44 : x
  2. Step 2: Convert to fraction form
    95,855.20/143,073.12 = 89,945.44/x
  3. Step 3: Cross multiply
    95,855.20x = 143,073.12 × 89,945.44
  4. Step 4: Simplify right side
    95,855.20x = 12,868,774,730.57
  5. Step 5: Solve for x
    x = 12,868,774,730.57/95,855.20
  6. Step 6: Final answer
    x = 134,252.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.