Home / 148,814.40-223,221.60-133,780.80

Finding the Fourth Proportional to 148,814.40, 223,221.60 and 133,780.80

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Solution

The fourth proportional to 148,814.40, 223,221.60 and 133,780.80 is: 200,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,814.40 : 223,221.60 = 133,780.80 : x
  2. Step 2: Convert to fraction form
    148,814.40/223,221.60 = 133,780.80/x
  3. Step 3: Cross multiply
    148,814.40x = 223,221.60 × 133,780.80
  4. Step 4: Simplify right side
    148,814.40x = 29,862,764,225.28
  5. Step 5: Solve for x
    x = 29,862,764,225.28/148,814.40
  6. Step 6: Final answer
    x = 200,671.20

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1.5x scale

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.