Home / 135,961.48-187,656.90-75,553

Finding the Fourth Proportional to 135,961.48, 187,656.90 and 75,553

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Solution

The fourth proportional to 135,961.48, 187,656.90 and 75,553 is: 104,279.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,961.48 : 187,656.90 = 75,553 : x
  2. Step 2: Convert to fraction form
    135,961.48/187,656.90 = 75,553/x
  3. Step 3: Cross multiply
    135,961.48x = 187,656.90 × 75,553
  4. Step 4: Simplify right side
    135,961.48x = 14,178,041,765.70
  5. Step 5: Solve for x
    x = 14,178,041,765.70/135,961.48
  6. Step 6: Final answer
    x = 104,279.84

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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.