Home / 102,270.38-141,131.70-56,948.44

Finding the Fourth Proportional to 102,270.38, 141,131.70 and 56,948.44

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Solution

The fourth proportional to 102,270.38, 141,131.70 and 56,948.44 is: 78,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,270.38 : 141,131.70 = 56,948.44 : x
  2. Step 2: Convert to fraction form
    102,270.38/141,131.70 = 56,948.44/x
  3. Step 3: Cross multiply
    102,270.38x = 141,131.70 × 56,948.44
  4. Step 4: Simplify right side
    102,270.38x = 8,037,230,149.55
  5. Step 5: Solve for x
    x = 8,037,230,149.55/102,270.38
  6. Step 6: Final answer
    x = 78,588.05

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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.