Home / 121,714.20-182,571.30-69,226.20

Finding the Fourth Proportional to 121,714.20, 182,571.30 and 69,226.20

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Solution

The fourth proportional to 121,714.20, 182,571.30 and 69,226.20 is: 103,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,714.20 : 182,571.30 = 69,226.20 : x
  2. Step 2: Convert to fraction form
    121,714.20/182,571.30 = 69,226.20/x
  3. Step 3: Cross multiply
    121,714.20x = 182,571.30 × 69,226.20
  4. Step 4: Simplify right side
    121,714.20x = 12,638,717,328.06
  5. Step 5: Solve for x
    x = 12,638,717,328.06/121,714.20
  6. Step 6: Final answer
    x = 103,839.30

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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.