Home / 99,733.50-150,288.38-90,373.14

Finding the Fourth Proportional to 99,733.50, 150,288.38 and 90,373.14

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Solution

The fourth proportional to 99,733.50, 150,288.38 and 90,373.14 is: 136,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,733.50 : 150,288.38 = 90,373.14 : x
  2. Step 2: Convert to fraction form
    99,733.50/150,288.38 = 90,373.14/x
  3. Step 3: Cross multiply
    99,733.50x = 150,288.38 × 90,373.14
  4. Step 4: Simplify right side
    99,733.50x = 13,582,032,354.25
  5. Step 5: Solve for x
    x = 13,582,032,354.25/99,733.50
  6. Step 6: Final answer
    x = 136,183.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.