Home / 141,367.28-195,088.64-77,704.52

Finding the Fourth Proportional to 141,367.28, 195,088.64 and 77,704.52

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Solution

The fourth proportional to 141,367.28, 195,088.64 and 77,704.52 is: 107,233.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,367.28 : 195,088.64 = 77,704.52 : x
  2. Step 2: Convert to fraction form
    141,367.28/195,088.64 = 77,704.52/x
  3. Step 3: Cross multiply
    141,367.28x = 195,088.64 × 77,704.52
  4. Step 4: Simplify right side
    141,367.28x = 15,159,269,128.65
  5. Step 5: Solve for x
    x = 15,159,269,128.65/141,367.28
  6. Step 6: Final answer
    x = 107,233.22

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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.