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Finding the Fourth Proportional to 115,614, 159,547.32 and 62,622

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Solution

The fourth proportional to 115,614, 159,547.32 and 62,622 is: 86,418.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,614 : 159,547.32 = 62,622 : x
  2. Step 2: Convert to fraction form
    115,614/159,547.32 = 62,622/x
  3. Step 3: Cross multiply
    115,614x = 159,547.32 × 62,622
  4. Step 4: Simplify right side
    115,614x = 9,991,172,273.04
  5. Step 5: Solve for x
    x = 9,991,172,273.04/115,614
  6. Step 6: Final answer
    x = 86,418.36

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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.