Home / 211,715.29-292,156.38-125,677.95

Finding the Fourth Proportional to 211,715.29, 292,156.38 and 125,677.95

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Solution

The fourth proportional to 211,715.29, 292,156.38 and 125,677.95 is: 173,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,715.29 : 292,156.38 = 125,677.95 : x
  2. Step 2: Convert to fraction form
    211,715.29/292,156.38 = 125,677.95/x
  3. Step 3: Cross multiply
    211,715.29x = 292,156.38 × 125,677.95
  4. Step 4: Simplify right side
    211,715.29x = 36,717,615,648.21
  5. Step 5: Solve for x
    x = 36,717,615,648.21/211,715.29
  6. Step 6: Final answer
    x = 173,429.21

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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.