Home / 170,439.38-255,659.07-52,110.72

Finding the Fourth Proportional to 170,439.38, 255,659.07 and 52,110.72

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Solution

The fourth proportional to 170,439.38, 255,659.07 and 52,110.72 is: 78,166.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,439.38 : 255,659.07 = 52,110.72 : x
  2. Step 2: Convert to fraction form
    170,439.38/255,659.07 = 52,110.72/x
  3. Step 3: Cross multiply
    170,439.38x = 255,659.07 × 52,110.72
  4. Step 4: Simplify right side
    170,439.38x = 13,322,578,212.23
  5. Step 5: Solve for x
    x = 13,322,578,212.23/170,439.38
  6. Step 6: Final answer
    x = 78,166.08

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1.5x scale

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.