Home / 251,868.84-347,572.26-138,692.52

Finding the Fourth Proportional to 251,868.84, 347,572.26 and 138,692.52

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Solution

The fourth proportional to 251,868.84, 347,572.26 and 138,692.52 is: 191,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,868.84 : 347,572.26 = 138,692.52 : x
  2. Step 2: Convert to fraction form
    251,868.84/347,572.26 = 138,692.52/x
  3. Step 3: Cross multiply
    251,868.84x = 347,572.26 × 138,692.52
  4. Step 4: Simplify right side
    251,868.84x = 48,205,672,621.50
  5. Step 5: Solve for x
    x = 48,205,672,621.50/251,868.84
  6. Step 6: Final answer
    x = 191,391.97

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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.