Home / 148,801.32-205,347.33-80,818.95

Finding the Fourth Proportional to 148,801.32, 205,347.33 and 80,818.95

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Solution

The fourth proportional to 148,801.32, 205,347.33 and 80,818.95 is: 111,530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,801.32 : 205,347.33 = 80,818.95 : x
  2. Step 2: Convert to fraction form
    148,801.32/205,347.33 = 80,818.95/x
  3. Step 3: Cross multiply
    148,801.32x = 205,347.33 × 80,818.95
  4. Step 4: Simplify right side
    148,801.32x = 16,595,955,595.90
  5. Step 5: Solve for x
    x = 16,595,955,595.90/148,801.32
  6. Step 6: Final answer
    x = 111,530.97

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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.