Home / 141,669.94-195,442.86-81,226.72

Finding the Fourth Proportional to 141,669.94, 195,442.86 and 81,226.72

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Solution

The fourth proportional to 141,669.94, 195,442.86 and 81,226.72 is: 112,057.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,669.94 : 195,442.86 = 81,226.72 : x
  2. Step 2: Convert to fraction form
    141,669.94/195,442.86 = 81,226.72/x
  3. Step 3: Cross multiply
    141,669.94x = 195,442.86 × 81,226.72
  4. Step 4: Simplify right side
    141,669.94x = 15,875,182,465.22
  5. Step 5: Solve for x
    x = 15,875,182,465.22/141,669.94
  6. Step 6: Final answer
    x = 112,057.52

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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.