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Finding the Fourth Proportional to 115,230, 159,017.42 and 62,238

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Solution

The fourth proportional to 115,230, 159,017.42 and 62,238 is: 85,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,230 : 159,017.42 = 62,238 : x
  2. Step 2: Convert to fraction form
    115,230/159,017.42 = 62,238/x
  3. Step 3: Cross multiply
    115,230x = 159,017.42 × 62,238
  4. Step 4: Simplify right side
    115,230x = 9,896,926,185.96
  5. Step 5: Solve for x
    x = 9,896,926,185.96/115,230
  6. Step 6: Final answer
    x = 85,888.45

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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.