Home / 89,178.53-123,075.14-50,943.78

Finding the Fourth Proportional to 89,178.53, 123,075.14 and 50,943.78

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Solution

The fourth proportional to 89,178.53, 123,075.14 and 50,943.78 is: 70,307.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,178.53 : 123,075.14 = 50,943.78 : x
  2. Step 2: Convert to fraction form
    89,178.53/123,075.14 = 50,943.78/x
  3. Step 3: Cross multiply
    89,178.53x = 123,075.14 × 50,943.78
  4. Step 4: Simplify right side
    89,178.53x = 6,269,912,600.91
  5. Step 5: Solve for x
    x = 6,269,912,600.91/89,178.53
  6. Step 6: Final answer
    x = 70,307.43

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1.5x scale

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.