Home / 148,660.23-205,151.25-80,677.22

Finding the Fourth Proportional to 148,660.23, 205,151.25 and 80,677.22

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Solution

The fourth proportional to 148,660.23, 205,151.25 and 80,677.22 is: 111,334.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,660.23 : 205,151.25 = 80,677.22 : x
  2. Step 2: Convert to fraction form
    148,660.23/205,151.25 = 80,677.22/x
  3. Step 3: Cross multiply
    148,660.23x = 205,151.25 × 80,677.22
  4. Step 4: Simplify right side
    148,660.23x = 16,551,031,503.77
  5. Step 5: Solve for x
    x = 16,551,031,503.77/148,660.23
  6. Step 6: Final answer
    x = 111,334.63

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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.