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Finding the Fourth Proportional to 115,754, 159,741.48 and 62,762

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Solution

The fourth proportional to 115,754, 159,741.48 and 62,762 is: 86,612.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,754 : 159,741.48 = 62,762 : x
  2. Step 2: Convert to fraction form
    115,754/159,741.48 = 62,762/x
  3. Step 3: Cross multiply
    115,754x = 159,741.48 × 62,762
  4. Step 4: Simplify right side
    115,754x = 10,025,694,767.76
  5. Step 5: Solve for x
    x = 10,025,694,767.76/115,754
  6. Step 6: Final answer
    x = 86,612.08

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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.