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Finding the Fourth Proportional to 143,911.25, 215,866.88 and 50,395.13

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Solution

The fourth proportional to 143,911.25, 215,866.88 and 50,395.13 is: 75,592.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,911.25 : 215,866.88 = 50,395.13 : x
  2. Step 2: Convert to fraction form
    143,911.25/215,866.88 = 50,395.13/x
  3. Step 3: Cross multiply
    143,911.25x = 215,866.88 × 50,395.13
  4. Step 4: Simplify right side
    143,911.25x = 10,878,638,148.98
  5. Step 5: Solve for x
    x = 10,878,638,148.98/143,911.25
  6. Step 6: Final answer
    x = 75,592.69

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1.5x scale

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.