Home / 139,416.27-192,396.20-75,755.13

Finding the Fourth Proportional to 139,416.27, 192,396.20 and 75,755.13

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Solution

The fourth proportional to 139,416.27, 192,396.20 and 75,755.13 is: 104,543.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,416.27 : 192,396.20 = 75,755.13 : x
  2. Step 2: Convert to fraction form
    139,416.27/192,396.20 = 75,755.13/x
  3. Step 3: Cross multiply
    139,416.27x = 192,396.20 × 75,755.13
  4. Step 4: Simplify right side
    139,416.27x = 14,574,999,142.51
  5. Step 5: Solve for x
    x = 14,574,999,142.51/139,416.27
  6. Step 6: Final answer
    x = 104,543.03

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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.