Home / 211,680.55-292,121.31-116,185.15

Finding the Fourth Proportional to 211,680.55, 292,121.31 and 116,185.15

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Solution

The fourth proportional to 211,680.55, 292,121.31 and 116,185.15 is: 160,336.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,680.55 : 292,121.31 = 116,185.15 : x
  2. Step 2: Convert to fraction form
    211,680.55/292,121.31 = 116,185.15/x
  3. Step 3: Cross multiply
    211,680.55x = 292,121.31 × 116,185.15
  4. Step 4: Simplify right side
    211,680.55x = 33,940,158,220.55
  5. Step 5: Solve for x
    x = 33,940,158,220.55/211,680.55
  6. Step 6: Final answer
    x = 160,336.69

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1.5x scale

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.