Home / 147,194.28-220,638.06-68,243.40

Finding the Fourth Proportional to 147,194.28, 220,638.06 and 68,243.40

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Solution

The fourth proportional to 147,194.28, 220,638.06 and 68,243.40 is: 102,294.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,194.28 : 220,638.06 = 68,243.40 : x
  2. Step 2: Convert to fraction form
    147,194.28/220,638.06 = 68,243.40/x
  3. Step 3: Cross multiply
    147,194.28x = 220,638.06 × 68,243.40
  4. Step 4: Simplify right side
    147,194.28x = 15,057,091,383.80
  5. Step 5: Solve for x
    x = 15,057,091,383.80/147,194.28
  6. Step 6: Final answer
    x = 102,294.00

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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.