Home / 211,952.32-292,493.37-121,307.92

Finding the Fourth Proportional to 211,952.32, 292,493.37 and 121,307.92

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Solution

The fourth proportional to 211,952.32, 292,493.37 and 121,307.92 is: 167,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,952.32 : 292,493.37 = 121,307.92 : x
  2. Step 2: Convert to fraction form
    211,952.32/292,493.37 = 121,307.92/x
  3. Step 3: Cross multiply
    211,952.32x = 292,493.37 × 121,307.92
  4. Step 4: Simplify right side
    211,952.32x = 35,481,762,328.49
  5. Step 5: Solve for x
    x = 35,481,762,328.49/211,952.32
  6. Step 6: Final answer
    x = 167,404.45

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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.