Home / 84,868.40-127,343.88-34,265.36

Finding the Fourth Proportional to 84,868.40, 127,343.88 and 34,265.36

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Solution

The fourth proportional to 84,868.40, 127,343.88 and 34,265.36 is: 51,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,868.40 : 127,343.88 = 34,265.36 : x
  2. Step 2: Convert to fraction form
    84,868.40/127,343.88 = 34,265.36/x
  3. Step 3: Cross multiply
    84,868.40x = 127,343.88 × 34,265.36
  4. Step 4: Simplify right side
    84,868.40x = 4,363,483,892.00
  5. Step 5: Solve for x
    x = 4,363,483,892.00/84,868.40
  6. Step 6: Final answer
    x = 51,414.71

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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.