Home / 192,811.48-289,208.70-52,570.12

Finding the Fourth Proportional to 192,811.48, 289,208.70 and 52,570.12

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Solution

The fourth proportional to 192,811.48, 289,208.70 and 52,570.12 is: 78,852.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,811.48 : 289,208.70 = 52,570.12 : x
  2. Step 2: Convert to fraction form
    192,811.48/289,208.70 = 52,570.12/x
  3. Step 3: Cross multiply
    192,811.48x = 289,208.70 × 52,570.12
  4. Step 4: Simplify right side
    192,811.48x = 15,203,736,064.04
  5. Step 5: Solve for x
    x = 15,203,736,064.04/192,811.48
  6. Step 6: Final answer
    x = 78,852.86

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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.