Home / 211,983.84-292,523.94-121,340.52

Finding the Fourth Proportional to 211,983.84, 292,523.94 and 121,340.52

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Solution

The fourth proportional to 211,983.84, 292,523.94 and 121,340.52 is: 167,442.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,983.84 : 292,523.94 = 121,340.52 : x
  2. Step 2: Convert to fraction form
    211,983.84/292,523.94 = 121,340.52/x
  3. Step 3: Cross multiply
    211,983.84x = 292,523.94 × 121,340.52
  4. Step 4: Simplify right side
    211,983.84x = 35,495,006,992.05
  5. Step 5: Solve for x
    x = 35,495,006,992.05/211,983.84
  6. Step 6: Final answer
    x = 167,442.04

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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.