Home / 220,140.60-329,554.80-131,348.40

Finding the Fourth Proportional to 220,140.60, 329,554.80 and 131,348.40

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Solution

The fourth proportional to 220,140.60, 329,554.80 and 131,348.40 is: 196,631.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,140.60 : 329,554.80 = 131,348.40 : x
  2. Step 2: Convert to fraction form
    220,140.60/329,554.80 = 131,348.40/x
  3. Step 3: Cross multiply
    220,140.60x = 329,554.80 × 131,348.40
  4. Step 4: Simplify right side
    220,140.60x = 43,286,495,692.32
  5. Step 5: Solve for x
    x = 43,286,495,692.32/220,140.60
  6. Step 6: Final answer
    x = 196,631.13

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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.