Home / 226,931.10-313,162.20-124,954.35

Finding the Fourth Proportional to 226,931.10, 313,162.20 and 124,954.35

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Solution

The fourth proportional to 226,931.10, 313,162.20 and 124,954.35 is: 172,435.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,931.10 : 313,162.20 = 124,954.35 : x
  2. Step 2: Convert to fraction form
    226,931.10/313,162.20 = 124,954.35/x
  3. Step 3: Cross multiply
    226,931.10x = 313,162.20 × 124,954.35
  4. Step 4: Simplify right side
    226,931.10x = 39,130,979,145.57
  5. Step 5: Solve for x
    x = 39,130,979,145.57/226,931.10
  6. Step 6: Final answer
    x = 172,435.51

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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.