Home / 141,508.45-195,274.60-77,844.61

Finding the Fourth Proportional to 141,508.45, 195,274.60 and 77,844.61

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Solution

The fourth proportional to 141,508.45, 195,274.60 and 77,844.61 is: 107,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,508.45 : 195,274.60 = 77,844.61 : x
  2. Step 2: Convert to fraction form
    141,508.45/195,274.60 = 77,844.61/x
  3. Step 3: Cross multiply
    141,508.45x = 195,274.60 × 77,844.61
  4. Step 4: Simplify right side
    141,508.45x = 15,201,075,079.91
  5. Step 5: Solve for x
    x = 15,201,075,079.91/141,508.45
  6. Step 6: Final answer
    x = 107,421.68

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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.