Home / 209,743.70-314,621.01-51,969.87

Finding the Fourth Proportional to 209,743.70, 314,621.01 and 51,969.87

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Solution

The fourth proportional to 209,743.70, 314,621.01 and 51,969.87 is: 77,956.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,743.70 : 314,621.01 = 51,969.87 : x
  2. Step 2: Convert to fraction form
    209,743.70/314,621.01 = 51,969.87/x
  3. Step 3: Cross multiply
    209,743.70x = 314,621.01 × 51,969.87
  4. Step 4: Simplify right side
    209,743.70x = 16,350,812,988.97
  5. Step 5: Solve for x
    x = 16,350,812,988.97/209,743.70
  6. Step 6: Final answer
    x = 77,956.16

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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.