Home / 104,918.91-144,842.90-81,583.62

Finding the Fourth Proportional to 104,918.91, 144,842.90 and 81,583.62

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Solution

The fourth proportional to 104,918.91, 144,842.90 and 81,583.62 is: 112,628.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,918.91 : 144,842.90 = 81,583.62 : x
  2. Step 2: Convert to fraction form
    104,918.91/144,842.90 = 81,583.62/x
  3. Step 3: Cross multiply
    104,918.91x = 144,842.90 × 81,583.62
  4. Step 4: Simplify right side
    104,918.91x = 11,816,807,705.38
  5. Step 5: Solve for x
    x = 11,816,807,705.38/104,918.91
  6. Step 6: Final answer
    x = 112,628.01

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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.