Home / 185,314.38-255,732.01-103,641.72

Finding the Fourth Proportional to 185,314.38, 255,732.01 and 103,641.72

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Solution

The fourth proportional to 185,314.38, 255,732.01 and 103,641.72 is: 143,024.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,314.38 : 255,732.01 = 103,641.72 : x
  2. Step 2: Convert to fraction form
    185,314.38/255,732.01 = 103,641.72/x
  3. Step 3: Cross multiply
    185,314.38x = 255,732.01 × 103,641.72
  4. Step 4: Simplify right side
    185,314.38x = 26,504,505,116.35
  5. Step 5: Solve for x
    x = 26,504,505,116.35/185,314.38
  6. Step 6: Final answer
    x = 143,024.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.