Home / 192,666.20-288,999.30-159,423.80

Finding the Fourth Proportional to 192,666.20, 288,999.30 and 159,423.80

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Solution

The fourth proportional to 192,666.20, 288,999.30 and 159,423.80 is: 239,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,666.20 : 288,999.30 = 159,423.80 : x
  2. Step 2: Convert to fraction form
    192,666.20/288,999.30 = 159,423.80/x
  3. Step 3: Cross multiply
    192,666.20x = 288,999.30 × 159,423.80
  4. Step 4: Simplify right side
    192,666.20x = 46,073,366,603.34
  5. Step 5: Solve for x
    x = 46,073,366,603.34/192,666.20
  6. Step 6: Final answer
    x = 239,135.70

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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.