Home / 141,645.08-195,471.16-77,983.94

Finding the Fourth Proportional to 141,645.08, 195,471.16 and 77,983.94

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Solution

The fourth proportional to 141,645.08, 195,471.16 and 77,983.94 is: 107,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,645.08 : 195,471.16 = 77,983.94 : x
  2. Step 2: Convert to fraction form
    141,645.08/195,471.16 = 77,983.94/x
  3. Step 3: Cross multiply
    141,645.08x = 195,471.16 × 77,983.94
  4. Step 4: Simplify right side
    141,645.08x = 15,243,611,213.17
  5. Step 5: Solve for x
    x = 15,243,611,213.17/141,645.08
  6. Step 6: Final answer
    x = 107,618.36

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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.