Home / 95,690.40-143,184.54-79,856.34

Finding the Fourth Proportional to 95,690.40, 143,184.54 and 79,856.34

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Solution

The fourth proportional to 95,690.40, 143,184.54 and 79,856.34 is: 119,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,690.40 : 143,184.54 = 79,856.34 : x
  2. Step 2: Convert to fraction form
    95,690.40/143,184.54 = 79,856.34/x
  3. Step 3: Cross multiply
    95,690.40x = 143,184.54 × 79,856.34
  4. Step 4: Simplify right side
    95,690.40x = 11,434,193,308.98
  5. Step 5: Solve for x
    x = 11,434,193,308.98/95,690.40
  6. Step 6: Final answer
    x = 119,491.54

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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.