Home / 132,859.20-199,220.40-39,352.80

Finding the Fourth Proportional to 132,859.20, 199,220.40 and 39,352.80

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Solution

The fourth proportional to 132,859.20, 199,220.40 and 39,352.80 is: 59,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,859.20 : 199,220.40 = 39,352.80 : x
  2. Step 2: Convert to fraction form
    132,859.20/199,220.40 = 39,352.80/x
  3. Step 3: Cross multiply
    132,859.20x = 199,220.40 × 39,352.80
  4. Step 4: Simplify right side
    132,859.20x = 7,839,880,557.12
  5. Step 5: Solve for x
    x = 7,839,880,557.12/132,859.20
  6. Step 6: Final answer
    x = 59,008.94

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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.