Home / 109,308.30-150,776.46-75,257.67

Finding the Fourth Proportional to 109,308.30, 150,776.46 and 75,257.67

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Solution

The fourth proportional to 109,308.30, 150,776.46 and 75,257.67 is: 103,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,308.30 : 150,776.46 = 75,257.67 : x
  2. Step 2: Convert to fraction form
    109,308.30/150,776.46 = 75,257.67/x
  3. Step 3: Cross multiply
    109,308.30x = 150,776.46 × 75,257.67
  4. Step 4: Simplify right side
    109,308.30x = 11,347,085,070.45
  5. Step 5: Solve for x
    x = 11,347,085,070.45/109,308.30
  6. Step 6: Final answer
    x = 103,808.08

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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.