Home / 165,140.62-247,647.54-70,310.68

Finding the Fourth Proportional to 165,140.62, 247,647.54 and 70,310.68

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Solution

The fourth proportional to 165,140.62, 247,647.54 and 70,310.68 is: 105,439.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,140.62 : 247,647.54 = 70,310.68 : x
  2. Step 2: Convert to fraction form
    165,140.62/247,647.54 = 70,310.68/x
  3. Step 3: Cross multiply
    165,140.62x = 247,647.54 × 70,310.68
  4. Step 4: Simplify right side
    165,140.62x = 17,412,266,937.73
  5. Step 5: Solve for x
    x = 17,412,266,937.73/165,140.62
  6. Step 6: Final answer
    x = 105,439.03

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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.