Home / 100,013.12-149,944.96-60,560.64

Finding the Fourth Proportional to 100,013.12, 149,944.96 and 60,560.64

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Solution

The fourth proportional to 100,013.12, 149,944.96 and 60,560.64 is: 90,795.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,013.12 : 149,944.96 = 60,560.64 : x
  2. Step 2: Convert to fraction form
    100,013.12/149,944.96 = 60,560.64/x
  3. Step 3: Cross multiply
    100,013.12x = 149,944.96 × 60,560.64
  4. Step 4: Simplify right side
    100,013.12x = 9,080,762,742.37
  5. Step 5: Solve for x
    x = 9,080,762,742.37/100,013.12
  6. Step 6: Final answer
    x = 90,795.72

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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.