Home / 104,292.72-143,886.20-68,502.16

Finding the Fourth Proportional to 104,292.72, 143,886.20 and 68,502.16

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Solution

The fourth proportional to 104,292.72, 143,886.20 and 68,502.16 is: 94,508.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,292.72 : 143,886.20 = 68,502.16 : x
  2. Step 2: Convert to fraction form
    104,292.72/143,886.20 = 68,502.16/x
  3. Step 3: Cross multiply
    104,292.72x = 143,886.20 × 68,502.16
  4. Step 4: Simplify right side
    104,292.72x = 9,856,515,494.19
  5. Step 5: Solve for x
    x = 9,856,515,494.19/104,292.72
  6. Step 6: Final answer
    x = 94,508.18

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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.