Home / 143,956.19-215,934.29-73,790.75

Finding the Fourth Proportional to 143,956.19, 215,934.29 and 73,790.75

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Solution

The fourth proportional to 143,956.19, 215,934.29 and 73,790.75 is: 110,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,956.19 : 215,934.29 = 73,790.75 : x
  2. Step 2: Convert to fraction form
    143,956.19/215,934.29 = 73,790.75/x
  3. Step 3: Cross multiply
    143,956.19x = 215,934.29 × 73,790.75
  4. Step 4: Simplify right side
    143,956.19x = 15,933,953,657.41
  5. Step 5: Solve for x
    x = 15,933,953,657.41/143,956.19
  6. Step 6: Final answer
    x = 110,686.13

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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.