Home / 117,260.79-161,806.93-66,273.51

Finding the Fourth Proportional to 117,260.79, 161,806.93 and 66,273.51

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Solution

The fourth proportional to 117,260.79, 161,806.93 and 66,273.51 is: 91,450.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,260.79 : 161,806.93 = 66,273.51 : x
  2. Step 2: Convert to fraction form
    117,260.79/161,806.93 = 66,273.51/x
  3. Step 3: Cross multiply
    117,260.79x = 161,806.93 × 66,273.51
  4. Step 4: Simplify right side
    117,260.79x = 10,723,513,193.42
  5. Step 5: Solve for x
    x = 10,723,513,193.42/117,260.79
  6. Step 6: Final answer
    x = 91,450.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.