Home / 108,016.11-149,065.11-60,278.76

Finding the Fourth Proportional to 108,016.11, 149,065.11 and 60,278.76

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Solution

The fourth proportional to 108,016.11, 149,065.11 and 60,278.76 is: 83,186.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,016.11 : 149,065.11 = 60,278.76 : x
  2. Step 2: Convert to fraction form
    108,016.11/149,065.11 = 60,278.76/x
  3. Step 3: Cross multiply
    108,016.11x = 149,065.11 × 60,278.76
  4. Step 4: Simplify right side
    108,016.11x = 8,985,459,990.06
  5. Step 5: Solve for x
    x = 8,985,459,990.06/108,016.11
  6. Step 6: Final answer
    x = 83,186.29

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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.