Home / 133,838.18-184,712.10-80,123.18

Finding the Fourth Proportional to 133,838.18, 184,712.10 and 80,123.18

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Solution

The fourth proportional to 133,838.18, 184,712.10 and 80,123.18 is: 110,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,838.18 : 184,712.10 = 80,123.18 : x
  2. Step 2: Convert to fraction form
    133,838.18/184,712.10 = 80,123.18/x
  3. Step 3: Cross multiply
    133,838.18x = 184,712.10 × 80,123.18
  4. Step 4: Simplify right side
    133,838.18x = 14,799,720,836.48
  5. Step 5: Solve for x
    x = 14,799,720,836.48/133,838.18
  6. Step 6: Final answer
    x = 110,579.21

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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.