Home / 143,707.23-215,560.85-54,987.93

Finding the Fourth Proportional to 143,707.23, 215,560.85 and 54,987.93

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Solution

The fourth proportional to 143,707.23, 215,560.85 and 54,987.93 is: 82,481.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,707.23 : 215,560.85 = 54,987.93 : x
  2. Step 2: Convert to fraction form
    143,707.23/215,560.85 = 54,987.93/x
  3. Step 3: Cross multiply
    143,707.23x = 215,560.85 × 54,987.93
  4. Step 4: Simplify right side
    143,707.23x = 11,853,244,655.60
  5. Step 5: Solve for x
    x = 11,853,244,655.60/143,707.23
  6. Step 6: Final answer
    x = 82,481.90

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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.