Home / 102,327.85-141,161.64-68,381.87

Finding the Fourth Proportional to 102,327.85, 141,161.64 and 68,381.87

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Solution

The fourth proportional to 102,327.85, 141,161.64 and 68,381.87 is: 94,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,327.85 : 141,161.64 = 68,381.87 : x
  2. Step 2: Convert to fraction form
    102,327.85/141,161.64 = 68,381.87/x
  3. Step 3: Cross multiply
    102,327.85x = 141,161.64 × 68,381.87
  4. Step 4: Simplify right side
    102,327.85x = 9,652,895,953.23
  5. Step 5: Solve for x
    x = 9,652,895,953.23/102,327.85
  6. Step 6: Final answer
    x = 94,333.03

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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.