Home / 102,627.09-141,624-57,305.85

Finding the Fourth Proportional to 102,627.09, 141,624 and 57,305.85

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Solution

The fourth proportional to 102,627.09, 141,624 and 57,305.85 is: 79,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,627.09 : 141,624 = 57,305.85 : x
  2. Step 2: Convert to fraction form
    102,627.09/141,624 = 57,305.85/x
  3. Step 3: Cross multiply
    102,627.09x = 141,624 × 57,305.85
  4. Step 4: Simplify right side
    102,627.09x = 8,115,883,700.40
  5. Step 5: Solve for x
    x = 8,115,883,700.40/102,627.09
  6. Step 6: Final answer
    x = 79,081.30

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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.