Home / 126,569.20-189,853.80-73,951.60

Finding the Fourth Proportional to 126,569.20, 189,853.80 and 73,951.60

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Solution

The fourth proportional to 126,569.20, 189,853.80 and 73,951.60 is: 110,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,569.20 : 189,853.80 = 73,951.60 : x
  2. Step 2: Convert to fraction form
    126,569.20/189,853.80 = 73,951.60/x
  3. Step 3: Cross multiply
    126,569.20x = 189,853.80 × 73,951.60
  4. Step 4: Simplify right side
    126,569.20x = 14,039,992,276.08
  5. Step 5: Solve for x
    x = 14,039,992,276.08/126,569.20
  6. Step 6: Final answer
    x = 110,927.40

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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.