Home / 126,823.01-189,932.54-73,402.49

Finding the Fourth Proportional to 126,823.01, 189,932.54 and 73,402.49

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Solution

The fourth proportional to 126,823.01, 189,932.54 and 73,402.49 is: 109,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,823.01 : 189,932.54 = 73,402.49 : x
  2. Step 2: Convert to fraction form
    126,823.01/189,932.54 = 73,402.49/x
  3. Step 3: Cross multiply
    126,823.01x = 189,932.54 × 73,402.49
  4. Step 4: Simplify right side
    126,823.01x = 13,941,520,051.35
  5. Step 5: Solve for x
    x = 13,941,520,051.35/126,823.01
  6. Step 6: Final answer
    x = 109,928.95

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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.