Home / 211,766.85-292,109.81-125,669.12

Finding the Fourth Proportional to 211,766.85, 292,109.81 and 125,669.12

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Solution

The fourth proportional to 211,766.85, 292,109.81 and 125,669.12 is: 173,347.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,766.85 : 292,109.81 = 125,669.12 : x
  2. Step 2: Convert to fraction form
    211,766.85/292,109.81 = 125,669.12/x
  3. Step 3: Cross multiply
    211,766.85x = 292,109.81 × 125,669.12
  4. Step 4: Simplify right side
    211,766.85x = 36,709,180,677.17
  5. Step 5: Solve for x
    x = 36,709,180,677.17/211,766.85
  6. Step 6: Final answer
    x = 173,347.15

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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.