Home / 85,110.44-127,663.72-22,780.92

Finding the Fourth Proportional to 85,110.44, 127,663.72 and 22,780.92

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Solution

The fourth proportional to 85,110.44, 127,663.72 and 22,780.92 is: 34,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,110.44 : 127,663.72 = 22,780.92 : x
  2. Step 2: Convert to fraction form
    85,110.44/127,663.72 = 22,780.92/x
  3. Step 3: Cross multiply
    85,110.44x = 127,663.72 × 22,780.92
  4. Step 4: Simplify right side
    85,110.44x = 2,908,296,992.22
  5. Step 5: Solve for x
    x = 2,908,296,992.22/85,110.44
  6. Step 6: Final answer
    x = 34,170.86

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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.