Home / 152,724.70-229,093.22-72,721.51

Finding the Fourth Proportional to 152,724.70, 229,093.22 and 72,721.51

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Solution

The fourth proportional to 152,724.70, 229,093.22 and 72,721.51 is: 109,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,724.70 : 229,093.22 = 72,721.51 : x
  2. Step 2: Convert to fraction form
    152,724.70/229,093.22 = 72,721.51/x
  3. Step 3: Cross multiply
    152,724.70x = 229,093.22 × 72,721.51
  4. Step 4: Simplify right side
    152,724.70x = 16,660,003,380.09
  5. Step 5: Solve for x
    x = 16,660,003,380.09/152,724.70
  6. Step 6: Final answer
    x = 109,085.20

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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.