Home / 99,725.65-149,616.62-40,603.75

Finding the Fourth Proportional to 99,725.65, 149,616.62 and 40,603.75

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Solution

The fourth proportional to 99,725.65, 149,616.62 and 40,603.75 is: 60,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,725.65 : 149,616.62 = 40,603.75 : x
  2. Step 2: Convert to fraction form
    99,725.65/149,616.62 = 40,603.75/x
  3. Step 3: Cross multiply
    99,725.65x = 149,616.62 × 40,603.75
  4. Step 4: Simplify right side
    99,725.65x = 6,074,995,834.33
  5. Step 5: Solve for x
    x = 6,074,995,834.33/99,725.65
  6. Step 6: Final answer
    x = 60,917.08

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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.