Home / 170,606.85-255,901.05-52,278.54

Finding the Fourth Proportional to 170,606.85, 255,901.05 and 52,278.54

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Solution

The fourth proportional to 170,606.85, 255,901.05 and 52,278.54 is: 78,414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,606.85 : 255,901.05 = 52,278.54 : x
  2. Step 2: Convert to fraction form
    170,606.85/255,901.05 = 52,278.54/x
  3. Step 3: Cross multiply
    170,606.85x = 255,901.05 × 52,278.54
  4. Step 4: Simplify right side
    170,606.85x = 13,378,133,278.47
  5. Step 5: Solve for x
    x = 13,378,133,278.47/170,606.85
  6. Step 6: Final answer
    x = 78,414.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.