Home / 119,965.68-165,555.23-66,254.13

Finding the Fourth Proportional to 119,965.68, 165,555.23 and 66,254.13

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Solution

The fourth proportional to 119,965.68, 165,555.23 and 66,254.13 is: 91,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,965.68 : 165,555.23 = 66,254.13 : x
  2. Step 2: Convert to fraction form
    119,965.68/165,555.23 = 66,254.13/x
  3. Step 3: Cross multiply
    119,965.68x = 165,555.23 × 66,254.13
  4. Step 4: Simplify right side
    119,965.68x = 10,968,717,399.33
  5. Step 5: Solve for x
    x = 10,968,717,399.33/119,965.68
  6. Step 6: Final answer
    x = 91,432.13

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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.