Home / 148,302.80-204,658.47-80,320.58

Finding the Fourth Proportional to 148,302.80, 204,658.47 and 80,320.58

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Solution

The fourth proportional to 148,302.80, 204,658.47 and 80,320.58 is: 110,842.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,302.80 : 204,658.47 = 80,320.58 : x
  2. Step 2: Convert to fraction form
    148,302.80/204,658.47 = 80,320.58/x
  3. Step 3: Cross multiply
    148,302.80x = 204,658.47 × 80,320.58
  4. Step 4: Simplify right side
    148,302.80x = 16,438,285,989.02
  5. Step 5: Solve for x
    x = 16,438,285,989.02/148,302.80
  6. Step 6: Final answer
    x = 110,842.73

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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.