Home / 133,376.28-184,126.10-103,093.16

Finding the Fourth Proportional to 133,376.28, 184,126.10 and 103,093.16

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Solution

The fourth proportional to 133,376.28, 184,126.10 and 103,093.16 is: 142,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,376.28 : 184,126.10 = 103,093.16 : x
  2. Step 2: Convert to fraction form
    133,376.28/184,126.10 = 103,093.16/x
  3. Step 3: Cross multiply
    133,376.28x = 184,126.10 × 103,093.16
  4. Step 4: Simplify right side
    133,376.28x = 18,982,141,487.48
  5. Step 5: Solve for x
    x = 18,982,141,487.48/133,376.28
  6. Step 6: Final answer
    x = 142,320.22

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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.