Home / 97,821.60-146,732.40-83,824.80

Finding the Fourth Proportional to 97,821.60, 146,732.40 and 83,824.80

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Solution

The fourth proportional to 97,821.60, 146,732.40 and 83,824.80 is: 125,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,821.60 : 146,732.40 = 83,824.80 : x
  2. Step 2: Convert to fraction form
    97,821.60/146,732.40 = 83,824.80/x
  3. Step 3: Cross multiply
    97,821.60x = 146,732.40 × 83,824.80
  4. Step 4: Simplify right side
    97,821.60x = 12,299,814,083.52
  5. Step 5: Solve for x
    x = 12,299,814,083.52/97,821.60
  6. Step 6: Final answer
    x = 125,737.20

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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.