Home / 261,962.64-361,508.91-148,785.39

Finding the Fourth Proportional to 261,962.64, 361,508.91 and 148,785.39

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Solution

The fourth proportional to 261,962.64, 361,508.91 and 148,785.39 is: 205,324.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,962.64 : 361,508.91 = 148,785.39 : x
  2. Step 2: Convert to fraction form
    261,962.64/361,508.91 = 148,785.39/x
  3. Step 3: Cross multiply
    261,962.64x = 361,508.91 × 148,785.39
  4. Step 4: Simplify right side
    261,962.64x = 53,787,244,162.82
  5. Step 5: Solve for x
    x = 53,787,244,162.82/261,962.64
  6. Step 6: Final answer
    x = 205,324.10

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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.