Home / 209,629.95-314,463.15-67,489.53

Finding the Fourth Proportional to 209,629.95, 314,463.15 and 67,489.53

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Solution

The fourth proportional to 209,629.95, 314,463.15 and 67,489.53 is: 101,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,629.95 : 314,463.15 = 67,489.53 : x
  2. Step 2: Convert to fraction form
    209,629.95/314,463.15 = 67,489.53/x
  3. Step 3: Cross multiply
    209,629.95x = 314,463.15 × 67,489.53
  4. Step 4: Simplify right side
    209,629.95x = 21,222,970,195.82
  5. Step 5: Solve for x
    x = 21,222,970,195.82/209,629.95
  6. Step 6: Final answer
    x = 101,240.16

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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.