Home / 76,202.22-105,159.91-42,211.23

Finding the Fourth Proportional to 76,202.22, 105,159.91 and 42,211.23

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Solution

The fourth proportional to 76,202.22, 105,159.91 and 42,211.23 is: 58,251.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,202.22 : 105,159.91 = 42,211.23 : x
  2. Step 2: Convert to fraction form
    76,202.22/105,159.91 = 42,211.23/x
  3. Step 3: Cross multiply
    76,202.22x = 105,159.91 × 42,211.23
  4. Step 4: Simplify right side
    76,202.22x = 4,438,929,147.79
  5. Step 5: Solve for x
    x = 4,438,929,147.79/76,202.22
  6. Step 6: Final answer
    x = 58,251.97

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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.