Home / 133,726.39-184,540.76-72,471.26

Finding the Fourth Proportional to 133,726.39, 184,540.76 and 72,471.26

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Solution

The fourth proportional to 133,726.39, 184,540.76 and 72,471.26 is: 100,009.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,726.39 : 184,540.76 = 72,471.26 : x
  2. Step 2: Convert to fraction form
    133,726.39/184,540.76 = 72,471.26/x
  3. Step 3: Cross multiply
    133,726.39x = 184,540.76 × 72,471.26
  4. Step 4: Simplify right side
    133,726.39x = 13,373,901,398.56
  5. Step 5: Solve for x
    x = 13,373,901,398.56/133,726.39
  6. Step 6: Final answer
    x = 100,009.44

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1.5x scale

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.