Home / 96,188.40-144,289.85-28,715.10

Finding the Fourth Proportional to 96,188.40, 144,289.85 and 28,715.10

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Solution

The fourth proportional to 96,188.40, 144,289.85 and 28,715.10 is: 43,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,188.40 : 144,289.85 = 28,715.10 : x
  2. Step 2: Convert to fraction form
    96,188.40/144,289.85 = 28,715.10/x
  3. Step 3: Cross multiply
    96,188.40x = 144,289.85 × 28,715.10
  4. Step 4: Simplify right side
    96,188.40x = 4,143,297,471.74
  5. Step 5: Solve for x
    x = 4,143,297,471.74/96,188.40
  6. Step 6: Final answer
    x = 43,074.81

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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.