Home / 221,377.46-305,499.38-125,884.13

Finding the Fourth Proportional to 221,377.46, 305,499.38 and 125,884.13

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Solution

The fourth proportional to 221,377.46, 305,499.38 and 125,884.13 is: 173,719.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,377.46 : 305,499.38 = 125,884.13 : x
  2. Step 2: Convert to fraction form
    221,377.46/305,499.38 = 125,884.13/x
  3. Step 3: Cross multiply
    221,377.46x = 305,499.38 × 125,884.13
  4. Step 4: Simplify right side
    221,377.46x = 38,457,521,509.92
  5. Step 5: Solve for x
    x = 38,457,521,509.92/221,377.46
  6. Step 6: Final answer
    x = 173,719.23

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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.