Home / 225,565.92-311,258.34-134,903.70

Finding the Fourth Proportional to 225,565.92, 311,258.34 and 134,903.70

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Solution

The fourth proportional to 225,565.92, 311,258.34 and 134,903.70 is: 186,153.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,565.92 : 311,258.34 = 134,903.70 : x
  2. Step 2: Convert to fraction form
    225,565.92/311,258.34 = 134,903.70/x
  3. Step 3: Cross multiply
    225,565.92x = 311,258.34 × 134,903.70
  4. Step 4: Simplify right side
    225,565.92x = 41,989,901,721.86
  5. Step 5: Solve for x
    x = 41,989,901,721.86/225,565.92
  6. Step 6: Final answer
    x = 186,153.57

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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.