Home / 165,017.81-247,487.07-76,186.01

Finding the Fourth Proportional to 165,017.81, 247,487.07 and 76,186.01

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Solution

The fourth proportional to 165,017.81, 247,487.07 and 76,186.01 is: 114,260.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,017.81 : 247,487.07 = 76,186.01 : x
  2. Step 2: Convert to fraction form
    165,017.81/247,487.07 = 76,186.01/x
  3. Step 3: Cross multiply
    165,017.81x = 247,487.07 × 76,186.01
  4. Step 4: Simplify right side
    165,017.81x = 18,855,052,389.89
  5. Step 5: Solve for x
    x = 18,855,052,389.89/165,017.81
  6. Step 6: Final answer
    x = 114,260.71

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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.