Home / 148,946.65-205,550.33-80,968.21

Finding the Fourth Proportional to 148,946.65, 205,550.33 and 80,968.21

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Solution

The fourth proportional to 148,946.65, 205,550.33 and 80,968.21 is: 111,738.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,946.65 : 205,550.33 = 80,968.21 : x
  2. Step 2: Convert to fraction form
    148,946.65/205,550.33 = 80,968.21/x
  3. Step 3: Cross multiply
    148,946.65x = 205,550.33 × 80,968.21
  4. Step 4: Simplify right side
    148,946.65x = 16,643,041,366.29
  5. Step 5: Solve for x
    x = 16,643,041,366.29/148,946.65
  6. Step 6: Final answer
    x = 111,738.27

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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.