Home / 135,356.06-186,788.67-74,926.69

Finding the Fourth Proportional to 135,356.06, 186,788.67 and 74,926.69

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Solution

The fourth proportional to 135,356.06, 186,788.67 and 74,926.69 is: 103,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,356.06 : 186,788.67 = 74,926.69 : x
  2. Step 2: Convert to fraction form
    135,356.06/186,788.67 = 74,926.69/x
  3. Step 3: Cross multiply
    135,356.06x = 186,788.67 × 74,926.69
  4. Step 4: Simplify right side
    135,356.06x = 13,995,456,024.66
  5. Step 5: Solve for x
    x = 13,995,456,024.66/135,356.06
  6. Step 6: Final answer
    x = 103,397.33

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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.