Home / 84,790.79-127,180-34,193.23

Finding the Fourth Proportional to 84,790.79, 127,180 and 34,193.23

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Solution

The fourth proportional to 84,790.79, 127,180 and 34,193.23 is: 51,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,790.79 : 127,180 = 34,193.23 : x
  2. Step 2: Convert to fraction form
    84,790.79/127,180 = 34,193.23/x
  3. Step 3: Cross multiply
    84,790.79x = 127,180 × 34,193.23
  4. Step 4: Simplify right side
    84,790.79x = 4,348,694,991.40
  5. Step 5: Solve for x
    x = 4,348,694,991.40/84,790.79
  6. Step 6: Final answer
    x = 51,287.35

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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.