Home / 423,464.02-635,062.17-139,107.85

Finding the Fourth Proportional to 423,464.02, 635,062.17 and 139,107.85

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Solution

The fourth proportional to 423,464.02, 635,062.17 and 139,107.85 is: 208,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,464.02 : 635,062.17 = 139,107.85 : x
  2. Step 2: Convert to fraction form
    423,464.02/635,062.17 = 139,107.85/x
  3. Step 3: Cross multiply
    423,464.02x = 635,062.17 × 139,107.85
  4. Step 4: Simplify right side
    423,464.02x = 88,342,132,019.03
  5. Step 5: Solve for x
    x = 88,342,132,019.03/423,464.02
  6. Step 6: Final answer
    x = 208,617.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.