Home / 152,979.30-229,390.14-68,667.18

Finding the Fourth Proportional to 152,979.30, 229,390.14 and 68,667.18

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Solution

The fourth proportional to 152,979.30, 229,390.14 and 68,667.18 is: 102,965.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,979.30 : 229,390.14 = 68,667.18 : x
  2. Step 2: Convert to fraction form
    152,979.30/229,390.14 = 68,667.18/x
  3. Step 3: Cross multiply
    152,979.30x = 229,390.14 × 68,667.18
  4. Step 4: Simplify right side
    152,979.30x = 15,751,574,033.61
  5. Step 5: Solve for x
    x = 15,751,574,033.61/152,979.30
  6. Step 6: Final answer
    x = 102,965.39

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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.