Home / 99,110.20-148,672.32-39,946.20

Finding the Fourth Proportional to 99,110.20, 148,672.32 and 39,946.20

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Solution

The fourth proportional to 99,110.20, 148,672.32 and 39,946.20 is: 59,922.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,110.20 : 148,672.32 = 39,946.20 : x
  2. Step 2: Convert to fraction form
    99,110.20/148,672.32 = 39,946.20/x
  3. Step 3: Cross multiply
    99,110.20x = 148,672.32 × 39,946.20
  4. Step 4: Simplify right side
    99,110.20x = 5,938,894,229.18
  5. Step 5: Solve for x
    x = 5,938,894,229.18/99,110.20
  6. Step 6: Final answer
    x = 59,922.13

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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.