Home / 99,389.10-149,083.65-88,502.70

Finding the Fourth Proportional to 99,389.10, 149,083.65 and 88,502.70

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Solution

The fourth proportional to 99,389.10, 149,083.65 and 88,502.70 is: 132,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,389.10 : 149,083.65 = 88,502.70 : x
  2. Step 2: Convert to fraction form
    99,389.10/149,083.65 = 88,502.70/x
  3. Step 3: Cross multiply
    99,389.10x = 149,083.65 × 88,502.70
  4. Step 4: Simplify right side
    99,389.10x = 13,194,305,550.86
  5. Step 5: Solve for x
    x = 13,194,305,550.86/99,389.10
  6. Step 6: Final answer
    x = 132,754.05

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1.5x scale

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.