Home / 152,939.49-229,487.94-68,758.08

Finding the Fourth Proportional to 152,939.49, 229,487.94 and 68,758.08

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Solution

The fourth proportional to 152,939.49, 229,487.94 and 68,758.08 is: 103,172.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,939.49 : 229,487.94 = 68,758.08 : x
  2. Step 2: Convert to fraction form
    152,939.49/229,487.94 = 68,758.08/x
  3. Step 3: Cross multiply
    152,939.49x = 229,487.94 × 68,758.08
  4. Step 4: Simplify right side
    152,939.49x = 15,779,150,137.56
  5. Step 5: Solve for x
    x = 15,779,150,137.56/152,939.49
  6. Step 6: Final answer
    x = 103,172.50

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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.