Home / 138,757.06-191,484.73-75,094.87

Finding the Fourth Proportional to 138,757.06, 191,484.73 and 75,094.87

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Solution

The fourth proportional to 138,757.06, 191,484.73 and 75,094.87 is: 103,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,757.06 : 191,484.73 = 75,094.87 : x
  2. Step 2: Convert to fraction form
    138,757.06/191,484.73 = 75,094.87/x
  3. Step 3: Cross multiply
    138,757.06x = 191,484.73 × 75,094.87
  4. Step 4: Simplify right side
    138,757.06x = 14,379,520,906.34
  5. Step 5: Solve for x
    x = 14,379,520,906.34/138,757.06
  6. Step 6: Final answer
    x = 103,630.91

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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.