Home / 99,738.27-149,478.14-40,505.13

Finding the Fourth Proportional to 99,738.27, 149,478.14 and 40,505.13

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Solution

The fourth proportional to 99,738.27, 149,478.14 and 40,505.13 is: 60,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,738.27 : 149,478.14 = 40,505.13 : x
  2. Step 2: Convert to fraction form
    99,738.27/149,478.14 = 40,505.13/x
  3. Step 3: Cross multiply
    99,738.27x = 149,478.14 × 40,505.13
  4. Step 4: Simplify right side
    99,738.27x = 6,054,631,594.12
  5. Step 5: Solve for x
    x = 6,054,631,594.12/99,738.27
  6. Step 6: Final answer
    x = 60,705.20

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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.