Home / 148,842.87-205,402.33-80,859.30

Finding the Fourth Proportional to 148,842.87, 205,402.33 and 80,859.30

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Solution

The fourth proportional to 148,842.87, 205,402.33 and 80,859.30 is: 111,585.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,842.87 : 205,402.33 = 80,859.30 : x
  2. Step 2: Convert to fraction form
    148,842.87/205,402.33 = 80,859.30/x
  3. Step 3: Cross multiply
    148,842.87x = 205,402.33 × 80,859.30
  4. Step 4: Simplify right side
    148,842.87x = 16,608,688,622.17
  5. Step 5: Solve for x
    x = 16,608,688,622.17/148,842.87
  6. Step 6: Final answer
    x = 111,585.38

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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.