Home / 122,115.28-182,857.48-84,281.34

Finding the Fourth Proportional to 122,115.28, 182,857.48 and 84,281.34

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Solution

The fourth proportional to 122,115.28, 182,857.48 and 84,281.34 is: 126,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,115.28 : 182,857.48 = 84,281.34 : x
  2. Step 2: Convert to fraction form
    122,115.28/182,857.48 = 84,281.34/x
  3. Step 3: Cross multiply
    122,115.28x = 182,857.48 × 84,281.34
  4. Step 4: Simplify right side
    122,115.28x = 15,411,473,443.42
  5. Step 5: Solve for x
    x = 15,411,473,443.42/122,115.28
  6. Step 6: Final answer
    x = 126,204.30

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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.