Home / 179,627.20-269,440.80-135,012.40

Finding the Fourth Proportional to 179,627.20, 269,440.80 and 135,012.40

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Solution

The fourth proportional to 179,627.20, 269,440.80 and 135,012.40 is: 202,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,627.20 : 269,440.80 = 135,012.40 : x
  2. Step 2: Convert to fraction form
    179,627.20/269,440.80 = 135,012.40/x
  3. Step 3: Cross multiply
    179,627.20x = 269,440.80 × 135,012.40
  4. Step 4: Simplify right side
    179,627.20x = 36,377,849,065.92
  5. Step 5: Solve for x
    x = 36,377,849,065.92/179,627.20
  6. Step 6: Final answer
    x = 202,518.60

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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.