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Finding the Fourth Proportional to 85,136.96, 127,695.84 and 22,812.48

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Solution

The fourth proportional to 85,136.96, 127,695.84 and 22,812.48 is: 34,216.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,136.96 : 127,695.84 = 22,812.48 : x
  2. Step 2: Convert to fraction form
    85,136.96/127,695.84 = 22,812.48/x
  3. Step 3: Cross multiply
    85,136.96x = 127,695.84 × 22,812.48
  4. Step 4: Simplify right side
    85,136.96x = 2,913,058,796.08
  5. Step 5: Solve for x
    x = 2,913,058,796.08/85,136.96
  6. Step 6: Final answer
    x = 34,216.15

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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.