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Finding the Fourth Proportional to 147,871.59, 204,062.89 and 79,888.53

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Solution

The fourth proportional to 147,871.59, 204,062.89 and 79,888.53 is: 110,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,871.59 : 204,062.89 = 79,888.53 : x
  2. Step 2: Convert to fraction form
    147,871.59/204,062.89 = 79,888.53/x
  3. Step 3: Cross multiply
    147,871.59x = 204,062.89 × 79,888.53
  4. Step 4: Simplify right side
    147,871.59x = 16,302,284,309.65
  5. Step 5: Solve for x
    x = 16,302,284,309.65/147,871.59
  6. Step 6: Final answer
    x = 110,246.22

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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.