Home / 147,873.25-204,065.18-79,890.19

Finding the Fourth Proportional to 147,873.25, 204,065.18 and 79,890.19

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Solution

The fourth proportional to 147,873.25, 204,065.18 and 79,890.19 is: 110,248.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,873.25 : 204,065.18 = 79,890.19 : x
  2. Step 2: Convert to fraction form
    147,873.25/204,065.18 = 79,890.19/x
  3. Step 3: Cross multiply
    147,873.25x = 204,065.18 × 79,890.19
  4. Step 4: Simplify right side
    147,873.25x = 16,302,805,392.56
  5. Step 5: Solve for x
    x = 16,302,805,392.56/147,873.25
  6. Step 6: Final answer
    x = 110,248.51

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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.