Home / 141,369.64-194,908.19-115,781.74

Finding the Fourth Proportional to 141,369.64, 194,908.19 and 115,781.74

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Solution

The fourth proportional to 141,369.64, 194,908.19 and 115,781.74 is: 159,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,369.64 : 194,908.19 = 115,781.74 : x
  2. Step 2: Convert to fraction form
    141,369.64/194,908.19 = 115,781.74/x
  3. Step 3: Cross multiply
    141,369.64x = 194,908.19 × 115,781.74
  4. Step 4: Simplify right side
    141,369.64x = 22,566,808,312.27
  5. Step 5: Solve for x
    x = 22,566,808,312.27/141,369.64
  6. Step 6: Final answer
    x = 159,629.81

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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.