Home / 211,881.42-292,175.91-158,081.22

Finding the Fourth Proportional to 211,881.42, 292,175.91 and 158,081.22

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Solution

The fourth proportional to 211,881.42, 292,175.91 and 158,081.22 is: 217,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,881.42 : 292,175.91 = 158,081.22 : x
  2. Step 2: Convert to fraction form
    211,881.42/292,175.91 = 158,081.22/x
  3. Step 3: Cross multiply
    211,881.42x = 292,175.91 × 158,081.22
  4. Step 4: Simplify right side
    211,881.42x = 46,187,524,307.41
  5. Step 5: Solve for x
    x = 46,187,524,307.41/211,881.42
  6. Step 6: Final answer
    x = 217,987.61

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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.