Home / 189,634.74-261,703.50-109,062.21

Finding the Fourth Proportional to 189,634.74, 261,703.50 and 109,062.21

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Solution

The fourth proportional to 189,634.74, 261,703.50 and 109,062.21 is: 150,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,634.74 : 261,703.50 = 109,062.21 : x
  2. Step 2: Convert to fraction form
    189,634.74/261,703.50 = 109,062.21/x
  3. Step 3: Cross multiply
    189,634.74x = 261,703.50 × 109,062.21
  4. Step 4: Simplify right side
    189,634.74x = 28,541,962,074.74
  5. Step 5: Solve for x
    x = 28,541,962,074.74/189,634.74
  6. Step 6: Final answer
    x = 150,510.20

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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.