Home / 122,115.42-182,857.66-84,281.47

Finding the Fourth Proportional to 122,115.42, 182,857.66 and 84,281.47

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Solution

The fourth proportional to 122,115.42, 182,857.66 and 84,281.47 is: 126,204.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,115.42 : 182,857.66 = 84,281.47 : x
  2. Step 2: Convert to fraction form
    122,115.42/182,857.66 = 84,281.47/x
  3. Step 3: Cross multiply
    122,115.42x = 182,857.66 × 84,281.47
  4. Step 4: Simplify right side
    122,115.42x = 15,411,512,385.56
  5. Step 5: Solve for x
    x = 15,411,512,385.56/122,115.42
  6. Step 6: Final answer
    x = 126,204.47

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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.