Home / 192,870.48-289,351.56-80,488.26

Finding the Fourth Proportional to 192,870.48, 289,351.56 and 80,488.26

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Solution

The fourth proportional to 192,870.48, 289,351.56 and 80,488.26 is: 120,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,870.48 : 289,351.56 = 80,488.26 : x
  2. Step 2: Convert to fraction form
    192,870.48/289,351.56 = 80,488.26/x
  3. Step 3: Cross multiply
    192,870.48x = 289,351.56 × 80,488.26
  4. Step 4: Simplify right side
    192,870.48x = 23,289,403,592.69
  5. Step 5: Solve for x
    x = 23,289,403,592.69/192,870.48
  6. Step 6: Final answer
    x = 120,751.52

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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.