Home / 171,947.90-257,921.85-134,623.10

Finding the Fourth Proportional to 171,947.90, 257,921.85 and 134,623.10

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Solution

The fourth proportional to 171,947.90, 257,921.85 and 134,623.10 is: 201,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,947.90 : 257,921.85 = 134,623.10 : x
  2. Step 2: Convert to fraction form
    171,947.90/257,921.85 = 134,623.10/x
  3. Step 3: Cross multiply
    171,947.90x = 257,921.85 × 134,623.10
  4. Step 4: Simplify right side
    171,947.90x = 34,722,239,004.74
  5. Step 5: Solve for x
    x = 34,722,239,004.74/171,947.90
  6. Step 6: Final answer
    x = 201,934.65

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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.