Home / 79,238.43-118,856.73-19,267.24

Finding the Fourth Proportional to 79,238.43, 118,856.73 and 19,267.24

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Solution

The fourth proportional to 79,238.43, 118,856.73 and 19,267.24 is: 28,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,238.43 : 118,856.73 = 19,267.24 : x
  2. Step 2: Convert to fraction form
    79,238.43/118,856.73 = 19,267.24/x
  3. Step 3: Cross multiply
    79,238.43x = 118,856.73 × 19,267.24
  4. Step 4: Simplify right side
    79,238.43x = 2,290,041,142.53
  5. Step 5: Solve for x
    x = 2,290,041,142.53/79,238.43
  6. Step 6: Final answer
    x = 28,900.64

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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.