Home / 99,946.16-149,919.28-29,874.72

Finding the Fourth Proportional to 99,946.16, 149,919.28 and 29,874.72

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Solution

The fourth proportional to 99,946.16, 149,919.28 and 29,874.72 is: 44,812.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,946.16 : 149,919.28 = 29,874.72 : x
  2. Step 2: Convert to fraction form
    99,946.16/149,919.28 = 29,874.72/x
  3. Step 3: Cross multiply
    99,946.16x = 149,919.28 × 29,874.72
  4. Step 4: Simplify right side
    99,946.16x = 4,478,796,512.60
  5. Step 5: Solve for x
    x = 4,478,796,512.60/99,946.16
  6. Step 6: Final answer
    x = 44,812.09

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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.