Home / 102,180.43-141,008.98-56,861.33

Finding the Fourth Proportional to 102,180.43, 141,008.98 and 56,861.33

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Solution

The fourth proportional to 102,180.43, 141,008.98 and 56,861.33 is: 78,468.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,180.43 : 141,008.98 = 56,861.33 : x
  2. Step 2: Convert to fraction form
    102,180.43/141,008.98 = 56,861.33/x
  3. Step 3: Cross multiply
    102,180.43x = 141,008.98 × 56,861.33
  4. Step 4: Simplify right side
    102,180.43x = 8,017,958,144.74
  5. Step 5: Solve for x
    x = 8,017,958,144.74/102,180.43
  6. Step 6: Final answer
    x = 78,468.63

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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.