Home / 211,776.42-292,251.78-116,289.21

Finding the Fourth Proportional to 211,776.42, 292,251.78 and 116,289.21

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Solution

The fourth proportional to 211,776.42, 292,251.78 and 116,289.21 is: 160,479.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,776.42 : 292,251.78 = 116,289.21 : x
  2. Step 2: Convert to fraction form
    211,776.42/292,251.78 = 116,289.21/x
  3. Step 3: Cross multiply
    211,776.42x = 292,251.78 × 116,289.21
  4. Step 4: Simplify right side
    211,776.42x = 33,985,728,617.29
  5. Step 5: Solve for x
    x = 33,985,728,617.29/211,776.42
  6. Step 6: Final answer
    x = 160,479.29

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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.