Home / 107,630.90-161,446.35-84,277.30

Finding the Fourth Proportional to 107,630.90, 161,446.35 and 84,277.30

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Solution

The fourth proportional to 107,630.90, 161,446.35 and 84,277.30 is: 126,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,630.90 : 161,446.35 = 84,277.30 : x
  2. Step 2: Convert to fraction form
    107,630.90/161,446.35 = 84,277.30/x
  3. Step 3: Cross multiply
    107,630.90x = 161,446.35 × 84,277.30
  4. Step 4: Simplify right side
    107,630.90x = 13,606,262,472.86
  5. Step 5: Solve for x
    x = 13,606,262,472.86/107,630.90
  6. Step 6: Final answer
    x = 126,415.95

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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.