Home / 119,717.80-165,207.50-66,001.56

Finding the Fourth Proportional to 119,717.80, 165,207.50 and 66,001.56

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Solution

The fourth proportional to 119,717.80, 165,207.50 and 66,001.56 is: 91,080.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,717.80 : 165,207.50 = 66,001.56 : x
  2. Step 2: Convert to fraction form
    119,717.80/165,207.50 = 66,001.56/x
  3. Step 3: Cross multiply
    119,717.80x = 165,207.50 × 66,001.56
  4. Step 4: Simplify right side
    119,717.80x = 10,903,952,723.70
  5. Step 5: Solve for x
    x = 10,903,952,723.70/119,717.80
  6. Step 6: Final answer
    x = 91,080.46

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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.