Home / 102,721.03-141,798.66-62,447.65

Finding the Fourth Proportional to 102,721.03, 141,798.66 and 62,447.65

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Solution

The fourth proportional to 102,721.03, 141,798.66 and 62,447.65 is: 86,204.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,721.03 : 141,798.66 = 62,447.65 : x
  2. Step 2: Convert to fraction form
    102,721.03/141,798.66 = 62,447.65/x
  3. Step 3: Cross multiply
    102,721.03x = 141,798.66 × 62,447.65
  4. Step 4: Simplify right side
    102,721.03x = 8,854,993,090.15
  5. Step 5: Solve for x
    x = 8,854,993,090.15/102,721.03
  6. Step 6: Final answer
    x = 86,204.29

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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.