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Finding the Fourth Proportional to 95,361.18, 143,041.90 and 33,031.68

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Solution

The fourth proportional to 95,361.18, 143,041.90 and 33,031.68 is: 49,547.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,361.18 : 143,041.90 = 33,031.68 : x
  2. Step 2: Convert to fraction form
    95,361.18/143,041.90 = 33,031.68/x
  3. Step 3: Cross multiply
    95,361.18x = 143,041.90 × 33,031.68
  4. Step 4: Simplify right side
    95,361.18x = 4,724,914,267.39
  5. Step 5: Solve for x
    x = 4,724,914,267.39/95,361.18
  6. Step 6: Final answer
    x = 49,547.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.