Home / 98,444.16-147,633.84-54,120.96

Finding the Fourth Proportional to 98,444.16, 147,633.84 and 54,120.96

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Solution

The fourth proportional to 98,444.16, 147,633.84 and 54,120.96 is: 81,163.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,444.16 : 147,633.84 = 54,120.96 : x
  2. Step 2: Convert to fraction form
    98,444.16/147,633.84 = 54,120.96/x
  3. Step 3: Cross multiply
    98,444.16x = 147,633.84 × 54,120.96
  4. Step 4: Simplify right side
    98,444.16x = 7,990,085,149.29
  5. Step 5: Solve for x
    x = 7,990,085,149.29/98,444.16
  6. Step 6: Final answer
    x = 81,163.63

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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.