Home / 141,379.32-195,103.67-77,717.51

Finding the Fourth Proportional to 141,379.32, 195,103.67 and 77,717.51

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Solution

The fourth proportional to 141,379.32, 195,103.67 and 77,717.51 is: 107,250.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,379.32 : 195,103.67 = 77,717.51 : x
  2. Step 2: Convert to fraction form
    141,379.32/195,103.67 = 77,717.51/x
  3. Step 3: Cross multiply
    141,379.32x = 195,103.67 × 77,717.51
  4. Step 4: Simplify right side
    141,379.32x = 15,162,970,448.74
  5. Step 5: Solve for x
    x = 15,162,970,448.74/141,379.32
  6. Step 6: Final answer
    x = 107,250.27

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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.