Home / 185,385.62-255,696.26-121,700.18

Finding the Fourth Proportional to 185,385.62, 255,696.26 and 121,700.18

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Solution

The fourth proportional to 185,385.62, 255,696.26 and 121,700.18 is: 167,857.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,385.62 : 255,696.26 = 121,700.18 : x
  2. Step 2: Convert to fraction form
    185,385.62/255,696.26 = 121,700.18/x
  3. Step 3: Cross multiply
    185,385.62x = 255,696.26 × 121,700.18
  4. Step 4: Simplify right side
    185,385.62x = 31,118,280,867.33
  5. Step 5: Solve for x
    x = 31,118,280,867.33/185,385.62
  6. Step 6: Final answer
    x = 167,857.04

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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.