Home / 105,701.46-145,872.57-63,251.82

Finding the Fourth Proportional to 105,701.46, 145,872.57 and 63,251.82

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Solution

The fourth proportional to 105,701.46, 145,872.57 and 63,251.82 is: 87,290.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,701.46 : 145,872.57 = 63,251.82 : x
  2. Step 2: Convert to fraction form
    105,701.46/145,872.57 = 63,251.82/x
  3. Step 3: Cross multiply
    105,701.46x = 145,872.57 × 63,251.82
  4. Step 4: Simplify right side
    105,701.46x = 9,226,705,540.58
  5. Step 5: Solve for x
    x = 9,226,705,540.58/105,701.46
  6. Step 6: Final answer
    x = 87,290.24

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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.