Home / 423,567.23-635,429.61-139,273.63

Finding the Fourth Proportional to 423,567.23, 635,429.61 and 139,273.63

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Solution

The fourth proportional to 423,567.23, 635,429.61 and 139,273.63 is: 208,936.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,567.23 : 635,429.61 = 139,273.63 : x
  2. Step 2: Convert to fraction form
    423,567.23/635,429.61 = 139,273.63/x
  3. Step 3: Cross multiply
    423,567.23x = 635,429.61 × 139,273.63
  4. Step 4: Simplify right side
    423,567.23x = 88,498,586,805.61
  5. Step 5: Solve for x
    x = 88,498,586,805.61/423,567.23
  6. Step 6: Final answer
    x = 208,936.34

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1.5x scale

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.