Home / 225,624.15-311,278.95-134,982.72

Finding the Fourth Proportional to 225,624.15, 311,278.95 and 134,982.72

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Solution

The fourth proportional to 225,624.15, 311,278.95 and 134,982.72 is: 186,226.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,624.15 : 311,278.95 = 134,982.72 : x
  2. Step 2: Convert to fraction form
    225,624.15/311,278.95 = 134,982.72/x
  3. Step 3: Cross multiply
    225,624.15x = 311,278.95 × 134,982.72
  4. Step 4: Simplify right side
    225,624.15x = 42,017,279,349.74
  5. Step 5: Solve for x
    x = 42,017,279,349.74/225,624.15
  6. Step 6: Final answer
    x = 186,226.87

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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.