Home / 169,790.20-254,685.30-155,015.80

Finding the Fourth Proportional to 169,790.20, 254,685.30 and 155,015.80

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Solution

The fourth proportional to 169,790.20, 254,685.30 and 155,015.80 is: 232,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,790.20 : 254,685.30 = 155,015.80 : x
  2. Step 2: Convert to fraction form
    169,790.20/254,685.30 = 155,015.80/x
  3. Step 3: Cross multiply
    169,790.20x = 254,685.30 × 155,015.80
  4. Step 4: Simplify right side
    169,790.20x = 39,480,245,527.74
  5. Step 5: Solve for x
    x = 39,480,245,527.74/169,790.20
  6. Step 6: Final answer
    x = 232,523.70

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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.