Home / 138,757.04-191,484.72-75,094.83

Finding the Fourth Proportional to 138,757.04, 191,484.72 and 75,094.83

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Solution

The fourth proportional to 138,757.04, 191,484.72 and 75,094.83 is: 103,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,757.04 : 191,484.72 = 75,094.83 : x
  2. Step 2: Convert to fraction form
    138,757.04/191,484.72 = 75,094.83/x
  3. Step 3: Cross multiply
    138,757.04x = 191,484.72 × 75,094.83
  4. Step 4: Simplify right side
    138,757.04x = 14,379,512,496.00
  5. Step 5: Solve for x
    x = 14,379,512,496.00/138,757.04
  6. Step 6: Final answer
    x = 103,630.87

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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.