Home / 147,630.60-221,478.30-47,773.80

Finding the Fourth Proportional to 147,630.60, 221,478.30 and 47,773.80

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Solution

The fourth proportional to 147,630.60, 221,478.30 and 47,773.80 is: 71,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,630.60 : 221,478.30 = 47,773.80 : x
  2. Step 2: Convert to fraction form
    147,630.60/221,478.30 = 47,773.80/x
  3. Step 3: Cross multiply
    147,630.60x = 221,478.30 × 47,773.80
  4. Step 4: Simplify right side
    147,630.60x = 10,580,860,008.54
  5. Step 5: Solve for x
    x = 10,580,860,008.54/147,630.60
  6. Step 6: Final answer
    x = 71,671.18

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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.