Home / 422,270.08-633,426.90-106,729.72

Finding the Fourth Proportional to 422,270.08, 633,426.90 and 106,729.72

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Solution

The fourth proportional to 422,270.08, 633,426.90 and 106,729.72 is: 160,100.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,270.08 : 633,426.90 = 106,729.72 : x
  2. Step 2: Convert to fraction form
    422,270.08/633,426.90 = 106,729.72/x
  3. Step 3: Cross multiply
    422,270.08x = 633,426.90 × 106,729.72
  4. Step 4: Simplify right side
    422,270.08x = 67,605,475,677.47
  5. Step 5: Solve for x
    x = 67,605,475,677.47/422,270.08
  6. Step 6: Final answer
    x = 160,100.08

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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.