Home / 113,648.06-156,827.21-62,661.33

Finding the Fourth Proportional to 113,648.06, 156,827.21 and 62,661.33

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Solution

The fourth proportional to 113,648.06, 156,827.21 and 62,661.33 is: 86,468.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,648.06 : 156,827.21 = 62,661.33 : x
  2. Step 2: Convert to fraction form
    113,648.06/156,827.21 = 62,661.33/x
  3. Step 3: Cross multiply
    113,648.06x = 156,827.21 × 62,661.33
  4. Step 4: Simplify right side
    113,648.06x = 9,827,001,245.48
  5. Step 5: Solve for x
    x = 9,827,001,245.48/113,648.06
  6. Step 6: Final answer
    x = 86,468.71

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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.