Home / 125,029.36-187,356-50,075.20

Finding the Fourth Proportional to 125,029.36, 187,356 and 50,075.20

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Solution

The fourth proportional to 125,029.36, 187,356 and 50,075.20 is: 75,037.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,029.36 : 187,356 = 50,075.20 : x
  2. Step 2: Convert to fraction form
    125,029.36/187,356 = 50,075.20/x
  3. Step 3: Cross multiply
    125,029.36x = 187,356 × 50,075.20
  4. Step 4: Simplify right side
    125,029.36x = 9,381,889,171.20
  5. Step 5: Solve for x
    x = 9,381,889,171.20/125,029.36
  6. Step 6: Final answer
    x = 75,037.49

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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.