Home / 85,319.36-127,997.76-26,159.48

Finding the Fourth Proportional to 85,319.36, 127,997.76 and 26,159.48

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Solution

The fourth proportional to 85,319.36, 127,997.76 and 26,159.48 is: 39,244.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,319.36 : 127,997.76 = 26,159.48 : x
  2. Step 2: Convert to fraction form
    85,319.36/127,997.76 = 26,159.48/x
  3. Step 3: Cross multiply
    85,319.36x = 127,997.76 × 26,159.48
  4. Step 4: Simplify right side
    85,319.36x = 3,348,354,842.76
  5. Step 5: Solve for x
    x = 3,348,354,842.76/85,319.36
  6. Step 6: Final answer
    x = 39,244.96

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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.