Home / 109,376.72-150,940.26-63,445.40

Finding the Fourth Proportional to 109,376.72, 150,940.26 and 63,445.40

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Solution

The fourth proportional to 109,376.72, 150,940.26 and 63,445.40 is: 87,554.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,376.72 : 150,940.26 = 63,445.40 : x
  2. Step 2: Convert to fraction form
    109,376.72/150,940.26 = 63,445.40/x
  3. Step 3: Cross multiply
    109,376.72x = 150,940.26 × 63,445.40
  4. Step 4: Simplify right side
    109,376.72x = 9,576,465,171.80
  5. Step 5: Solve for x
    x = 9,576,465,171.80/109,376.72
  6. Step 6: Final answer
    x = 87,554.88

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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.