Home / 154,230.37-212,752.43-89,692.54

Finding the Fourth Proportional to 154,230.37, 212,752.43 and 89,692.54

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Solution

The fourth proportional to 154,230.37, 212,752.43 and 89,692.54 is: 123,725.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,230.37 : 212,752.43 = 89,692.54 : x
  2. Step 2: Convert to fraction form
    154,230.37/212,752.43 = 89,692.54/x
  3. Step 3: Cross multiply
    154,230.37x = 212,752.43 × 89,692.54
  4. Step 4: Simplify right side
    154,230.37x = 19,082,305,389.41
  5. Step 5: Solve for x
    x = 19,082,305,389.41/154,230.37
  6. Step 6: Final answer
    x = 123,725.99

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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.