Home / 131,933.20-197,899.80-53,006.80

Finding the Fourth Proportional to 131,933.20, 197,899.80 and 53,006.80

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Solution

The fourth proportional to 131,933.20, 197,899.80 and 53,006.80 is: 79,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,933.20 : 197,899.80 = 53,006.80 : x
  2. Step 2: Convert to fraction form
    131,933.20/197,899.80 = 53,006.80/x
  3. Step 3: Cross multiply
    131,933.20x = 197,899.80 × 53,006.80
  4. Step 4: Simplify right side
    131,933.20x = 10,490,035,118.64
  5. Step 5: Solve for x
    x = 10,490,035,118.64/131,933.20
  6. Step 6: Final answer
    x = 79,510.20

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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.