Home / 143,657.28-215,481.70-38,476.22

Finding the Fourth Proportional to 143,657.28, 215,481.70 and 38,476.22

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Solution

The fourth proportional to 143,657.28, 215,481.70 and 38,476.22 is: 57,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,657.28 : 215,481.70 = 38,476.22 : x
  2. Step 2: Convert to fraction form
    143,657.28/215,481.70 = 38,476.22/x
  3. Step 3: Cross multiply
    143,657.28x = 215,481.70 × 38,476.22
  4. Step 4: Simplify right side
    143,657.28x = 8,290,921,295.17
  5. Step 5: Solve for x
    x = 8,290,921,295.17/143,657.28
  6. Step 6: Final answer
    x = 57,713.20

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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.