Home / 115,290.90-159,077.25-69,992.73

Finding the Fourth Proportional to 115,290.90, 159,077.25 and 69,992.73

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Solution

The fourth proportional to 115,290.90, 159,077.25 and 69,992.73 is: 96,575.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,290.90 : 159,077.25 = 69,992.73 : x
  2. Step 2: Convert to fraction form
    115,290.90/159,077.25 = 69,992.73/x
  3. Step 3: Cross multiply
    115,290.90x = 159,077.25 × 69,992.73
  4. Step 4: Simplify right side
    115,290.90x = 11,134,251,008.39
  5. Step 5: Solve for x
    x = 11,134,251,008.39/115,290.90
  6. Step 6: Final answer
    x = 96,575.28

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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.