Home / 152,999.70-229,548.15-68,727.30

Finding the Fourth Proportional to 152,999.70, 229,548.15 and 68,727.30

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Solution

The fourth proportional to 152,999.70, 229,548.15 and 68,727.30 is: 103,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,999.70 : 229,548.15 = 68,727.30 : x
  2. Step 2: Convert to fraction form
    152,999.70/229,548.15 = 68,727.30/x
  3. Step 3: Cross multiply
    152,999.70x = 229,548.15 × 68,727.30
  4. Step 4: Simplify right side
    152,999.70x = 15,776,224,569.50
  5. Step 5: Solve for x
    x = 15,776,224,569.50/152,999.70
  6. Step 6: Final answer
    x = 103,112.78

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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.