Home / 115,902.30-173,853.45-71,615.55

Finding the Fourth Proportional to 115,902.30, 173,853.45 and 71,615.55

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Solution

The fourth proportional to 115,902.30, 173,853.45 and 71,615.55 is: 107,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,902.30 : 173,853.45 = 71,615.55 : x
  2. Step 2: Convert to fraction form
    115,902.30/173,853.45 = 71,615.55/x
  3. Step 3: Cross multiply
    115,902.30x = 173,853.45 × 71,615.55
  4. Step 4: Simplify right side
    115,902.30x = 12,450,610,441.15
  5. Step 5: Solve for x
    x = 12,450,610,441.15/115,902.30
  6. Step 6: Final answer
    x = 107,423.33

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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.