Home / 81,998.19-113,159.43-46,187.69

Finding the Fourth Proportional to 81,998.19, 113,159.43 and 46,187.69

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Solution

The fourth proportional to 81,998.19, 113,159.43 and 46,187.69 is: 63,740.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,998.19 : 113,159.43 = 46,187.69 : x
  2. Step 2: Convert to fraction form
    81,998.19/113,159.43 = 46,187.69/x
  3. Step 3: Cross multiply
    81,998.19x = 113,159.43 × 46,187.69
  4. Step 4: Simplify right side
    81,998.19x = 5,226,572,107.62
  5. Step 5: Solve for x
    x = 5,226,572,107.62/81,998.19
  6. Step 6: Final answer
    x = 63,740.09

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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.