Home / 107,385.44-148,266.04-67,117.30

Finding the Fourth Proportional to 107,385.44, 148,266.04 and 67,117.30

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Solution

The fourth proportional to 107,385.44, 148,266.04 and 67,117.30 is: 92,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,385.44 : 148,266.04 = 67,117.30 : x
  2. Step 2: Convert to fraction form
    107,385.44/148,266.04 = 67,117.30/x
  3. Step 3: Cross multiply
    107,385.44x = 148,266.04 × 67,117.30
  4. Step 4: Simplify right side
    107,385.44x = 9,951,216,286.49
  5. Step 5: Solve for x
    x = 9,951,216,286.49/107,385.44
  6. Step 6: Final answer
    x = 92,668.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.