Home / 211,821.85-292,243.75-125,807.14

Finding the Fourth Proportional to 211,821.85, 292,243.75 and 125,807.14

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Solution

The fourth proportional to 211,821.85, 292,243.75 and 125,807.14 is: 173,572.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,821.85 : 292,243.75 = 125,807.14 : x
  2. Step 2: Convert to fraction form
    211,821.85/292,243.75 = 125,807.14/x
  3. Step 3: Cross multiply
    211,821.85x = 292,243.75 × 125,807.14
  4. Step 4: Simplify right side
    211,821.85x = 36,766,350,421.16
  5. Step 5: Solve for x
    x = 36,766,350,421.16/211,821.85
  6. Step 6: Final answer
    x = 173,572.04

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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.