Home / 204,111.49-306,306.56-70,990.42

Finding the Fourth Proportional to 204,111.49, 306,306.56 and 70,990.42

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Solution

The fourth proportional to 204,111.49, 306,306.56 and 70,990.42 is: 106,534.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,111.49 : 306,306.56 = 70,990.42 : x
  2. Step 2: Convert to fraction form
    204,111.49/306,306.56 = 70,990.42/x
  3. Step 3: Cross multiply
    204,111.49x = 306,306.56 × 70,990.42
  4. Step 4: Simplify right side
    204,111.49x = 21,744,831,343.16
  5. Step 5: Solve for x
    x = 21,744,831,343.16/204,111.49
  6. Step 6: Final answer
    x = 106,534.09

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1.5x scale

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.