Home / 192,600.90-288,901.35-129,615.30

Finding the Fourth Proportional to 192,600.90, 288,901.35 and 129,615.30

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Solution

The fourth proportional to 192,600.90, 288,901.35 and 129,615.30 is: 194,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,600.90 : 288,901.35 = 129,615.30 : x
  2. Step 2: Convert to fraction form
    192,600.90/288,901.35 = 129,615.30/x
  3. Step 3: Cross multiply
    192,600.90x = 288,901.35 × 129,615.30
  4. Step 4: Simplify right side
    192,600.90x = 37,446,035,150.66
  5. Step 5: Solve for x
    x = 37,446,035,150.66/192,600.90
  6. Step 6: Final answer
    x = 194,422.95

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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.