Home / 152,713.28-229,060.58-68,450.81

Finding the Fourth Proportional to 152,713.28, 229,060.58 and 68,450.81

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Solution

The fourth proportional to 152,713.28, 229,060.58 and 68,450.81 is: 102,672.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,713.28 : 229,060.58 = 68,450.81 : x
  2. Step 2: Convert to fraction form
    152,713.28/229,060.58 = 68,450.81/x
  3. Step 3: Cross multiply
    152,713.28x = 229,060.58 × 68,450.81
  4. Step 4: Simplify right side
    152,713.28x = 15,679,380,752.51
  5. Step 5: Solve for x
    x = 15,679,380,752.51/152,713.28
  6. Step 6: Final answer
    x = 102,672.02

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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.