Home / 235,766.40-353,734.08-117,427.20

Finding the Fourth Proportional to 235,766.40, 353,734.08 and 117,427.20

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Solution

The fourth proportional to 235,766.40, 353,734.08 and 117,427.20 is: 176,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,766.40 : 353,734.08 = 117,427.20 : x
  2. Step 2: Convert to fraction form
    235,766.40/353,734.08 = 117,427.20/x
  3. Step 3: Cross multiply
    235,766.40x = 353,734.08 × 117,427.20
  4. Step 4: Simplify right side
    235,766.40x = 41,538,002,558.98
  5. Step 5: Solve for x
    x = 41,538,002,558.98/235,766.40
  6. Step 6: Final answer
    x = 176,182.88

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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.