Home / 209,812.96-314,993.78-124,579.36

Finding the Fourth Proportional to 209,812.96, 314,993.78 and 124,579.36

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Solution

The fourth proportional to 209,812.96, 314,993.78 and 124,579.36 is: 187,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,812.96 : 314,993.78 = 124,579.36 : x
  2. Step 2: Convert to fraction form
    209,812.96/314,993.78 = 124,579.36/x
  3. Step 3: Cross multiply
    209,812.96x = 314,993.78 × 124,579.36
  4. Step 4: Simplify right side
    209,812.96x = 39,241,723,516.38
  5. Step 5: Solve for x
    x = 39,241,723,516.38/209,812.96
  6. Step 6: Final answer
    x = 187,031.93

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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.