Home / 185,479.74-278,118.90-84,222.18

Finding the Fourth Proportional to 185,479.74, 278,118.90 and 84,222.18

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Solution

The fourth proportional to 185,479.74, 278,118.90 and 84,222.18 is: 126,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,479.74 : 278,118.90 = 84,222.18 : x
  2. Step 2: Convert to fraction form
    185,479.74/278,118.90 = 84,222.18/x
  3. Step 3: Cross multiply
    185,479.74x = 278,118.90 × 84,222.18
  4. Step 4: Simplify right side
    185,479.74x = 23,423,780,057.20
  5. Step 5: Solve for x
    x = 23,423,780,057.20/185,479.74
  6. Step 6: Final answer
    x = 126,287.54

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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.