Home / 272,095.53-408,147.41-103,625.18

Finding the Fourth Proportional to 272,095.53, 408,147.41 and 103,625.18

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Solution

The fourth proportional to 272,095.53, 408,147.41 and 103,625.18 is: 155,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,095.53 : 408,147.41 = 103,625.18 : x
  2. Step 2: Convert to fraction form
    272,095.53/408,147.41 = 103,625.18/x
  3. Step 3: Cross multiply
    272,095.53x = 408,147.41 × 103,625.18
  4. Step 4: Simplify right side
    272,095.53x = 42,294,350,107.22
  5. Step 5: Solve for x
    x = 42,294,350,107.22/272,095.53
  6. Step 6: Final answer
    x = 155,439.34

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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.