Home / 164,948.40-247,422.60-131,487.30

Finding the Fourth Proportional to 164,948.40, 247,422.60 and 131,487.30

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Solution

The fourth proportional to 164,948.40, 247,422.60 and 131,487.30 is: 197,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,948.40 : 247,422.60 = 131,487.30 : x
  2. Step 2: Convert to fraction form
    164,948.40/247,422.60 = 131,487.30/x
  3. Step 3: Cross multiply
    164,948.40x = 247,422.60 × 131,487.30
  4. Step 4: Simplify right side
    164,948.40x = 32,532,929,632.98
  5. Step 5: Solve for x
    x = 32,532,929,632.98/164,948.40
  6. Step 6: Final answer
    x = 197,230.95

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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.