Home / 147,485.88-221,450.36-84,377.25

Finding the Fourth Proportional to 147,485.88, 221,450.36 and 84,377.25

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Solution

The fourth proportional to 147,485.88, 221,450.36 and 84,377.25 is: 126,692.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,485.88 : 221,450.36 = 84,377.25 : x
  2. Step 2: Convert to fraction form
    147,485.88/221,450.36 = 84,377.25/x
  3. Step 3: Cross multiply
    147,485.88x = 221,450.36 × 84,377.25
  4. Step 4: Simplify right side
    147,485.88x = 18,685,371,966.42
  5. Step 5: Solve for x
    x = 18,685,371,966.42/147,485.88
  6. Step 6: Final answer
    x = 126,692.62

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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.