Home / 108,048.53-149,115.42-60,309.05

Finding the Fourth Proportional to 108,048.53, 149,115.42 and 60,309.05

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Solution

The fourth proportional to 108,048.53, 149,115.42 and 60,309.05 is: 83,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,048.53 : 149,115.42 = 60,309.05 : x
  2. Step 2: Convert to fraction form
    108,048.53/149,115.42 = 60,309.05/x
  3. Step 3: Cross multiply
    108,048.53x = 149,115.42 × 60,309.05
  4. Step 4: Simplify right side
    108,048.53x = 8,993,008,574.97
  5. Step 5: Solve for x
    x = 8,993,008,574.97/108,048.53
  6. Step 6: Final answer
    x = 83,231.20

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1.5x scale

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.