Home / 125,064.94-187,649.38-50,238.15

Finding the Fourth Proportional to 125,064.94, 187,649.38 and 50,238.15

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Solution

The fourth proportional to 125,064.94, 187,649.38 and 50,238.15 is: 75,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,064.94 : 187,649.38 = 50,238.15 : x
  2. Step 2: Convert to fraction form
    125,064.94/187,649.38 = 50,238.15/x
  3. Step 3: Cross multiply
    125,064.94x = 187,649.38 × 50,238.15
  4. Step 4: Simplify right side
    125,064.94x = 9,427,157,762.64
  5. Step 5: Solve for x
    x = 9,427,157,762.64/125,064.94
  6. Step 6: Final answer
    x = 75,378.10

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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.