Home / 98,229.84-147,344.64-45,610.56

Finding the Fourth Proportional to 98,229.84, 147,344.64 and 45,610.56

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Solution

The fourth proportional to 98,229.84, 147,344.64 and 45,610.56 is: 68,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,229.84 : 147,344.64 = 45,610.56 : x
  2. Step 2: Convert to fraction form
    98,229.84/147,344.64 = 45,610.56/x
  3. Step 3: Cross multiply
    98,229.84x = 147,344.64 × 45,610.56
  4. Step 4: Simplify right side
    98,229.84x = 6,720,471,543.40
  5. Step 5: Solve for x
    x = 6,720,471,543.40/98,229.84
  6. Step 6: Final answer
    x = 68,415.78

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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.