Home / 99,742.96-149,614.02-40,578.14

Finding the Fourth Proportional to 99,742.96, 149,614.02 and 40,578.14

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Solution

The fourth proportional to 99,742.96, 149,614.02 and 40,578.14 is: 60,867.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,742.96 : 149,614.02 = 40,578.14 : x
  2. Step 2: Convert to fraction form
    99,742.96/149,614.02 = 40,578.14/x
  3. Step 3: Cross multiply
    99,742.96x = 149,614.02 × 40,578.14
  4. Step 4: Simplify right side
    99,742.96x = 6,071,058,649.52
  5. Step 5: Solve for x
    x = 6,071,058,649.52/99,742.96
  6. Step 6: Final answer
    x = 60,867.04

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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.