Home / 109,672.23-151,344.89-61,274.53

Finding the Fourth Proportional to 109,672.23, 151,344.89 and 61,274.53

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Solution

The fourth proportional to 109,672.23, 151,344.89 and 61,274.53 is: 84,557.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,672.23 : 151,344.89 = 61,274.53 : x
  2. Step 2: Convert to fraction form
    109,672.23/151,344.89 = 61,274.53/x
  3. Step 3: Cross multiply
    109,672.23x = 151,344.89 × 61,274.53
  4. Step 4: Simplify right side
    109,672.23x = 9,273,585,939.55
  5. Step 5: Solve for x
    x = 9,273,585,939.55/109,672.23
  6. Step 6: Final answer
    x = 84,557.29

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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.