Home / 91,449.72-126,205.52-51,161.08

Finding the Fourth Proportional to 91,449.72, 126,205.52 and 51,161.08

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Solution

The fourth proportional to 91,449.72, 126,205.52 and 51,161.08 is: 70,605.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,449.72 : 126,205.52 = 51,161.08 : x
  2. Step 2: Convert to fraction form
    91,449.72/126,205.52 = 51,161.08/x
  3. Step 3: Cross multiply
    91,449.72x = 126,205.52 × 51,161.08
  4. Step 4: Simplify right side
    91,449.72x = 6,456,810,705.16
  5. Step 5: Solve for x
    x = 6,456,810,705.16/91,449.72
  6. Step 6: Final answer
    x = 70,605.04

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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.