Home / 119,991.19-165,598.10-66,282.07

Finding the Fourth Proportional to 119,991.19, 165,598.10 and 66,282.07

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Solution

The fourth proportional to 119,991.19, 165,598.10 and 66,282.07 is: 91,474.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,991.19 : 165,598.10 = 66,282.07 : x
  2. Step 2: Convert to fraction form
    119,991.19/165,598.10 = 66,282.07/x
  3. Step 3: Cross multiply
    119,991.19x = 165,598.10 × 66,282.07
  4. Step 4: Simplify right side
    119,991.19x = 10,976,184,856.07
  5. Step 5: Solve for x
    x = 10,976,184,856.07/119,991.19
  6. Step 6: Final answer
    x = 91,474.92

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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.