Home / 146,895.12-202,732.56-87,279.12

Finding the Fourth Proportional to 146,895.12, 202,732.56 and 87,279.12

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Solution

The fourth proportional to 146,895.12, 202,732.56 and 87,279.12 is: 120,455.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,895.12 : 202,732.56 = 87,279.12 : x
  2. Step 2: Convert to fraction form
    146,895.12/202,732.56 = 87,279.12/x
  3. Step 3: Cross multiply
    146,895.12x = 202,732.56 × 87,279.12
  4. Step 4: Simplify right side
    146,895.12x = 17,694,319,432.15
  5. Step 5: Solve for x
    x = 17,694,319,432.15/146,895.12
  6. Step 6: Final answer
    x = 120,455.46

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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.