Home / 136,503.02-204,764.25-47,778.86

Finding the Fourth Proportional to 136,503.02, 204,764.25 and 47,778.86

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Solution

The fourth proportional to 136,503.02, 204,764.25 and 47,778.86 is: 71,671.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,503.02 : 204,764.25 = 47,778.86 : x
  2. Step 2: Convert to fraction form
    136,503.02/204,764.25 = 47,778.86/x
  3. Step 3: Cross multiply
    136,503.02x = 204,764.25 × 47,778.86
  4. Step 4: Simplify right side
    136,503.02x = 9,783,403,124.84
  5. Step 5: Solve for x
    x = 9,783,403,124.84/136,503.02
  6. Step 6: Final answer
    x = 71,671.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.