Home / 133,438.89-184,145.55-73,009.78

Finding the Fourth Proportional to 133,438.89, 184,145.55 and 73,009.78

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Solution

The fourth proportional to 133,438.89, 184,145.55 and 73,009.78 is: 100,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,438.89 : 184,145.55 = 73,009.78 : x
  2. Step 2: Convert to fraction form
    133,438.89/184,145.55 = 73,009.78/x
  3. Step 3: Cross multiply
    133,438.89x = 184,145.55 × 73,009.78
  4. Step 4: Simplify right side
    133,438.89x = 13,444,426,287.92
  5. Step 5: Solve for x
    x = 13,444,426,287.92/133,438.89
  6. Step 6: Final answer
    x = 100,753.43

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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.