Home / 158,371.04-218,544.27-86,751.38

Finding the Fourth Proportional to 158,371.04, 218,544.27 and 86,751.38

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Solution

The fourth proportional to 158,371.04, 218,544.27 and 86,751.38 is: 119,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,371.04 : 218,544.27 = 86,751.38 : x
  2. Step 2: Convert to fraction form
    158,371.04/218,544.27 = 86,751.38/x
  3. Step 3: Cross multiply
    158,371.04x = 218,544.27 × 86,751.38
  4. Step 4: Simplify right side
    158,371.04x = 18,959,017,013.59
  5. Step 5: Solve for x
    x = 18,959,017,013.59/158,371.04
  6. Step 6: Final answer
    x = 119,712.65

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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.