Home / 212,156.82-292,772.07-116,661.87

Finding the Fourth Proportional to 212,156.82, 292,772.07 and 116,661.87

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Solution

The fourth proportional to 212,156.82, 292,772.07 and 116,661.87 is: 160,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,156.82 : 292,772.07 = 116,661.87 : x
  2. Step 2: Convert to fraction form
    212,156.82/292,772.07 = 116,661.87/x
  3. Step 3: Cross multiply
    212,156.82x = 292,772.07 × 116,661.87
  4. Step 4: Simplify right side
    212,156.82x = 34,155,337,169.97
  5. Step 5: Solve for x
    x = 34,155,337,169.97/212,156.82
  6. Step 6: Final answer
    x = 160,990.99

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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.