Home / 143,729.22-215,494.38-63,723.48

Finding the Fourth Proportional to 143,729.22, 215,494.38 and 63,723.48

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Solution

The fourth proportional to 143,729.22, 215,494.38 and 63,723.48 is: 95,541.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,729.22 : 215,494.38 = 63,723.48 : x
  2. Step 2: Convert to fraction form
    143,729.22/215,494.38 = 63,723.48/x
  3. Step 3: Cross multiply
    143,729.22x = 215,494.38 × 63,723.48
  4. Step 4: Simplify right side
    143,729.22x = 13,732,051,814.04
  5. Step 5: Solve for x
    x = 13,732,051,814.04/143,729.22
  6. Step 6: Final answer
    x = 95,541.13

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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.