Home / 148,925.20-205,518.35-80,942.18

Finding the Fourth Proportional to 148,925.20, 205,518.35 and 80,942.18

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Solution

The fourth proportional to 148,925.20, 205,518.35 and 80,942.18 is: 111,701.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,925.20 : 205,518.35 = 80,942.18 : x
  2. Step 2: Convert to fraction form
    148,925.20/205,518.35 = 80,942.18/x
  3. Step 3: Cross multiply
    148,925.20x = 205,518.35 × 80,942.18
  4. Step 4: Simplify right side
    148,925.20x = 16,635,101,846.70
  5. Step 5: Solve for x
    x = 16,635,101,846.70/148,925.20
  6. Step 6: Final answer
    x = 111,701.06

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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.