Home / 221,735.55-305,977.27-124,935.29

Finding the Fourth Proportional to 221,735.55, 305,977.27 and 124,935.29

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Solution

The fourth proportional to 221,735.55, 305,977.27 and 124,935.29 is: 172,400.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,735.55 : 305,977.27 = 124,935.29 : x
  2. Step 2: Convert to fraction form
    221,735.55/305,977.27 = 124,935.29/x
  3. Step 3: Cross multiply
    221,735.55x = 305,977.27 × 124,935.29
  4. Step 4: Simplify right side
    221,735.55x = 38,227,358,960.86
  5. Step 5: Solve for x
    x = 38,227,358,960.86/221,735.55
  6. Step 6: Final answer
    x = 172,400.68

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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.