Home / 113,634.36-156,816.44-62,648.90

Finding the Fourth Proportional to 113,634.36, 156,816.44 and 62,648.90

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Solution

The fourth proportional to 113,634.36, 156,816.44 and 62,648.90 is: 86,456.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,634.36 : 156,816.44 = 62,648.90 : x
  2. Step 2: Convert to fraction form
    113,634.36/156,816.44 = 62,648.90/x
  3. Step 3: Cross multiply
    113,634.36x = 156,816.44 × 62,648.90
  4. Step 4: Simplify right side
    113,634.36x = 9,824,377,360.42
  5. Step 5: Solve for x
    x = 9,824,377,360.42/113,634.36
  6. Step 6: Final answer
    x = 86,456.04

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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.