Home / 91,446.30-126,195.03-51,159.66

Finding the Fourth Proportional to 91,446.30, 126,195.03 and 51,159.66

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Solution

The fourth proportional to 91,446.30, 126,195.03 and 51,159.66 is: 70,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,446.30 : 126,195.03 = 51,159.66 : x
  2. Step 2: Convert to fraction form
    91,446.30/126,195.03 = 51,159.66/x
  3. Step 3: Cross multiply
    91,446.30x = 126,195.03 × 51,159.66
  4. Step 4: Simplify right side
    91,446.30x = 6,456,094,828.49
  5. Step 5: Solve for x
    x = 6,456,094,828.49/91,446.30
  6. Step 6: Final answer
    x = 70,599.85

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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.