Home / 168,981.60-253,472.40-98,824.80

Finding the Fourth Proportional to 168,981.60, 253,472.40 and 98,824.80

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Solution

The fourth proportional to 168,981.60, 253,472.40 and 98,824.80 is: 148,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,981.60 : 253,472.40 = 98,824.80 : x
  2. Step 2: Convert to fraction form
    168,981.60/253,472.40 = 98,824.80/x
  3. Step 3: Cross multiply
    168,981.60x = 253,472.40 × 98,824.80
  4. Step 4: Simplify right side
    168,981.60x = 25,049,359,235.52
  5. Step 5: Solve for x
    x = 25,049,359,235.52/168,981.60
  6. Step 6: Final answer
    x = 148,237.20

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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.