Home / 99,151.16-148,874.32-40,102.16

Finding the Fourth Proportional to 99,151.16, 148,874.32 and 40,102.16

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Solution

The fourth proportional to 99,151.16, 148,874.32 and 40,102.16 is: 60,212.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,151.16 : 148,874.32 = 40,102.16 : x
  2. Step 2: Convert to fraction form
    99,151.16/148,874.32 = 40,102.16/x
  3. Step 3: Cross multiply
    99,151.16x = 148,874.32 × 40,102.16
  4. Step 4: Simplify right side
    99,151.16x = 5,970,181,800.53
  5. Step 5: Solve for x
    x = 5,970,181,800.53/99,151.16
  6. Step 6: Final answer
    x = 60,212.93

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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.