Home / 102,623.17-141,622.38-57,299.62

Finding the Fourth Proportional to 102,623.17, 141,622.38 and 57,299.62

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Solution

The fourth proportional to 102,623.17, 141,622.38 and 57,299.62 is: 79,074.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,623.17 : 141,622.38 = 57,299.62 : x
  2. Step 2: Convert to fraction form
    102,623.17/141,622.38 = 57,299.62/x
  3. Step 3: Cross multiply
    102,623.17x = 141,622.38 × 57,299.62
  4. Step 4: Simplify right side
    102,623.17x = 8,114,909,126.43
  5. Step 5: Solve for x
    x = 8,114,909,126.43/102,623.17
  6. Step 6: Final answer
    x = 79,074.82

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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.