Home / 167,382.08-250,859.64-78,439.40

Finding the Fourth Proportional to 167,382.08, 250,859.64 and 78,439.40

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Solution

The fourth proportional to 167,382.08, 250,859.64 and 78,439.40 is: 117,559.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,382.08 : 250,859.64 = 78,439.40 : x
  2. Step 2: Convert to fraction form
    167,382.08/250,859.64 = 78,439.40/x
  3. Step 3: Cross multiply
    167,382.08x = 250,859.64 × 78,439.40
  4. Step 4: Simplify right side
    167,382.08x = 19,677,279,645.82
  5. Step 5: Solve for x
    x = 19,677,279,645.82/167,382.08
  6. Step 6: Final answer
    x = 117,559.06

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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.