Home / 152,972.56-229,380.06-68,660.45

Finding the Fourth Proportional to 152,972.56, 229,380.06 and 68,660.45

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Solution

The fourth proportional to 152,972.56, 229,380.06 and 68,660.45 is: 102,955.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,972.56 : 229,380.06 = 68,660.45 : x
  2. Step 2: Convert to fraction form
    152,972.56/229,380.06 = 68,660.45/x
  3. Step 3: Cross multiply
    152,972.56x = 229,380.06 × 68,660.45
  4. Step 4: Simplify right side
    152,972.56x = 15,749,338,140.63
  5. Step 5: Solve for x
    x = 15,749,338,140.63/152,972.56
  6. Step 6: Final answer
    x = 102,955.32

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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.