Home / 76,189.40-114,357.96-36,774.20

Finding the Fourth Proportional to 76,189.40, 114,357.96 and 36,774.20

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Solution

The fourth proportional to 76,189.40, 114,357.96 and 36,774.20 is: 55,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,189.40 : 114,357.96 = 36,774.20 : x
  2. Step 2: Convert to fraction form
    76,189.40/114,357.96 = 36,774.20/x
  3. Step 3: Cross multiply
    76,189.40x = 114,357.96 × 36,774.20
  4. Step 4: Simplify right side
    76,189.40x = 4,205,422,492.63
  5. Step 5: Solve for x
    x = 4,205,422,492.63/76,189.40
  6. Step 6: Final answer
    x = 55,196.95

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1.5x scale

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.