Home / 145,512.06-200,834.20-91,089.56

Finding the Fourth Proportional to 145,512.06, 200,834.20 and 91,089.56

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Solution

The fourth proportional to 145,512.06, 200,834.20 and 91,089.56 is: 125,720.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,512.06 : 200,834.20 = 91,089.56 : x
  2. Step 2: Convert to fraction form
    145,512.06/200,834.20 = 91,089.56/x
  3. Step 3: Cross multiply
    145,512.06x = 200,834.20 × 91,089.56
  4. Step 4: Simplify right side
    145,512.06x = 18,293,898,910.95
  5. Step 5: Solve for x
    x = 18,293,898,910.95/145,512.06
  6. Step 6: Final answer
    x = 125,720.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.