Home / 169,972.20-255,068.46-156,986.28

Finding the Fourth Proportional to 169,972.20, 255,068.46 and 156,986.28

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Solution

The fourth proportional to 169,972.20, 255,068.46 and 156,986.28 is: 235,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,972.20 : 255,068.46 = 156,986.28 : x
  2. Step 2: Convert to fraction form
    169,972.20/255,068.46 = 156,986.28/x
  3. Step 3: Cross multiply
    169,972.20x = 255,068.46 × 156,986.28
  4. Step 4: Simplify right side
    169,972.20x = 40,042,248,680.73
  5. Step 5: Solve for x
    x = 40,042,248,680.73/169,972.20
  6. Step 6: Final answer
    x = 235,581.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.