Home / 148,910.20-223,365.30-85,924.60

Finding the Fourth Proportional to 148,910.20, 223,365.30 and 85,924.60

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Solution

The fourth proportional to 148,910.20, 223,365.30 and 85,924.60 is: 128,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,910.20 : 223,365.30 = 85,924.60 : x
  2. Step 2: Convert to fraction form
    148,910.20/223,365.30 = 85,924.60/x
  3. Step 3: Cross multiply
    148,910.20x = 223,365.30 × 85,924.60
  4. Step 4: Simplify right side
    148,910.20x = 19,192,574,056.38
  5. Step 5: Solve for x
    x = 19,192,574,056.38/148,910.20
  6. Step 6: Final answer
    x = 128,886.90

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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.