Home / 119,760.20-179,640.30-49,616.20

Finding the Fourth Proportional to 119,760.20, 179,640.30 and 49,616.20

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Solution

The fourth proportional to 119,760.20, 179,640.30 and 49,616.20 is: 74,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,760.20 : 179,640.30 = 49,616.20 : x
  2. Step 2: Convert to fraction form
    119,760.20/179,640.30 = 49,616.20/x
  3. Step 3: Cross multiply
    119,760.20x = 179,640.30 × 49,616.20
  4. Step 4: Simplify right side
    119,760.20x = 8,913,069,052.86
  5. Step 5: Solve for x
    x = 8,913,069,052.86/119,760.20
  6. Step 6: Final answer
    x = 74,424.30

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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.