Home / 95,142.21-131,350.05-64,971.33

Finding the Fourth Proportional to 95,142.21, 131,350.05 and 64,971.33

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Solution

The fourth proportional to 95,142.21, 131,350.05 and 64,971.33 is: 89,697.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,142.21 : 131,350.05 = 64,971.33 : x
  2. Step 2: Convert to fraction form
    95,142.21/131,350.05 = 64,971.33/x
  3. Step 3: Cross multiply
    95,142.21x = 131,350.05 × 64,971.33
  4. Step 4: Simplify right side
    95,142.21x = 8,533,987,444.07
  5. Step 5: Solve for x
    x = 8,533,987,444.07/95,142.21
  6. Step 6: Final answer
    x = 89,697.17

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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.