Home / 148,780.02-205,312.41-80,793.89

Finding the Fourth Proportional to 148,780.02, 205,312.41 and 80,793.89

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Solution

The fourth proportional to 148,780.02, 205,312.41 and 80,793.89 is: 111,493.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,780.02 : 205,312.41 = 80,793.89 : x
  2. Step 2: Convert to fraction form
    148,780.02/205,312.41 = 80,793.89/x
  3. Step 3: Cross multiply
    148,780.02x = 205,312.41 × 80,793.89
  4. Step 4: Simplify right side
    148,780.02x = 16,587,987,242.61
  5. Step 5: Solve for x
    x = 16,587,987,242.61/148,780.02
  6. Step 6: Final answer
    x = 111,493.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.