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Finding the Fourth Proportional to 79,208.80, 118,812.08 and 19,237.68

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Solution

The fourth proportional to 79,208.80, 118,812.08 and 19,237.68 is: 28,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,208.80 : 118,812.08 = 19,237.68 : x
  2. Step 2: Convert to fraction form
    79,208.80/118,812.08 = 19,237.68/x
  3. Step 3: Cross multiply
    79,208.80x = 118,812.08 × 19,237.68
  4. Step 4: Simplify right side
    79,208.80x = 2,285,668,823.27
  5. Step 5: Solve for x
    x = 2,285,668,823.27/79,208.80
  6. Step 6: Final answer
    x = 28,856.25

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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.