Home / 102,553.09-141,522.98-57,230.59

Finding the Fourth Proportional to 102,553.09, 141,522.98 and 57,230.59

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Solution

The fourth proportional to 102,553.09, 141,522.98 and 57,230.59 is: 78,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,553.09 : 141,522.98 = 57,230.59 : x
  2. Step 2: Convert to fraction form
    102,553.09/141,522.98 = 57,230.59/x
  3. Step 3: Cross multiply
    102,553.09x = 141,522.98 × 57,230.59
  4. Step 4: Simplify right side
    102,553.09x = 8,099,442,650.19
  5. Step 5: Solve for x
    x = 8,099,442,650.19/102,553.09
  6. Step 6: Final answer
    x = 78,978.05

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1.5x scale

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.