Home / 141,495.77-195,278.47-81,074.43

Finding the Fourth Proportional to 141,495.77, 195,278.47 and 81,074.43

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Solution

The fourth proportional to 141,495.77, 195,278.47 and 81,074.43 is: 111,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,495.77 : 195,278.47 = 81,074.43 : x
  2. Step 2: Convert to fraction form
    141,495.77/195,278.47 = 81,074.43/x
  3. Step 3: Cross multiply
    141,495.77x = 195,278.47 × 81,074.43
  4. Step 4: Simplify right side
    141,495.77x = 15,832,090,646.52
  5. Step 5: Solve for x
    x = 15,832,090,646.52/141,495.77
  6. Step 6: Final answer
    x = 111,890.91

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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.