Home / 102,769.04-141,818.28-57,447.11

Finding the Fourth Proportional to 102,769.04, 141,818.28 and 57,447.11

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Solution

The fourth proportional to 102,769.04, 141,818.28 and 57,447.11 is: 79,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,769.04 : 141,818.28 = 57,447.11 : x
  2. Step 2: Convert to fraction form
    102,769.04/141,818.28 = 57,447.11/x
  3. Step 3: Cross multiply
    102,769.04x = 141,818.28 × 57,447.11
  4. Step 4: Simplify right side
    102,769.04x = 8,147,049,622.08
  5. Step 5: Solve for x
    x = 8,147,049,622.08/102,769.04
  6. Step 6: Final answer
    x = 79,275.33

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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.