Home / 119,833.05-165,370.50-66,120.06

Finding the Fourth Proportional to 119,833.05, 165,370.50 and 66,120.06

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Solution

The fourth proportional to 119,833.05, 165,370.50 and 66,120.06 is: 91,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,833.05 : 165,370.50 = 66,120.06 : x
  2. Step 2: Convert to fraction form
    119,833.05/165,370.50 = 66,120.06/x
  3. Step 3: Cross multiply
    119,833.05x = 165,370.50 × 66,120.06
  4. Step 4: Simplify right side
    119,833.05x = 10,934,307,051.63
  5. Step 5: Solve for x
    x = 10,934,307,051.63/119,833.05
  6. Step 6: Final answer
    x = 91,246.17

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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.