Home / 108,151.28-149,247.21-60,405.32

Finding the Fourth Proportional to 108,151.28, 149,247.21 and 60,405.32

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Solution

The fourth proportional to 108,151.28, 149,247.21 and 60,405.32 is: 83,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,151.28 : 149,247.21 = 60,405.32 : x
  2. Step 2: Convert to fraction form
    108,151.28/149,247.21 = 60,405.32/x
  3. Step 3: Cross multiply
    108,151.28x = 149,247.21 × 60,405.32
  4. Step 4: Simplify right side
    108,151.28x = 9,015,325,479.16
  5. Step 5: Solve for x
    x = 9,015,325,479.16/108,151.28
  6. Step 6: Final answer
    x = 83,358.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.