Home / 113,197.86-156,205.44-62,209.49

Finding the Fourth Proportional to 113,197.86, 156,205.44 and 62,209.49

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Solution

The fourth proportional to 113,197.86, 156,205.44 and 62,209.49 is: 85,844.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,197.86 : 156,205.44 = 62,209.49 : x
  2. Step 2: Convert to fraction form
    113,197.86/156,205.44 = 62,209.49/x
  3. Step 3: Cross multiply
    113,197.86x = 156,205.44 × 62,209.49
  4. Step 4: Simplify right side
    113,197.86x = 9,717,459,976.60
  5. Step 5: Solve for x
    x = 9,717,459,976.60/113,197.86
  6. Step 6: Final answer
    x = 85,844.91

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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.