Home / 84,934.85-127,402.28-73,270.85

Finding the Fourth Proportional to 84,934.85, 127,402.28 and 73,270.85

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Solution

The fourth proportional to 84,934.85, 127,402.28 and 73,270.85 is: 109,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,934.85 : 127,402.28 = 73,270.85 : x
  2. Step 2: Convert to fraction form
    84,934.85/127,402.28 = 73,270.85/x
  3. Step 3: Cross multiply
    84,934.85x = 127,402.28 × 73,270.85
  4. Step 4: Simplify right side
    84,934.85x = 9,334,872,981.18
  5. Step 5: Solve for x
    x = 9,334,872,981.18/84,934.85
  6. Step 6: Final answer
    x = 109,906.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.