Home / 84,631.30-126,914.13-45,166.88

Finding the Fourth Proportional to 84,631.30, 126,914.13 and 45,166.88

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Solution

The fourth proportional to 84,631.30, 126,914.13 and 45,166.88 is: 67,732.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,631.30 : 126,914.13 = 45,166.88 : x
  2. Step 2: Convert to fraction form
    84,631.30/126,914.13 = 45,166.88/x
  3. Step 3: Cross multiply
    84,631.30x = 126,914.13 × 45,166.88
  4. Step 4: Simplify right side
    84,631.30x = 5,732,315,597.30
  5. Step 5: Solve for x
    x = 5,732,315,597.30/84,631.30
  6. Step 6: Final answer
    x = 67,732.81

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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.