Home / 119,721.06-165,216.23-66,008.20

Finding the Fourth Proportional to 119,721.06, 165,216.23 and 66,008.20

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Solution

The fourth proportional to 119,721.06, 165,216.23 and 66,008.20 is: 91,091.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,721.06 : 165,216.23 = 66,008.20 : x
  2. Step 2: Convert to fraction form
    119,721.06/165,216.23 = 66,008.20/x
  3. Step 3: Cross multiply
    119,721.06x = 165,216.23 × 66,008.20
  4. Step 4: Simplify right side
    119,721.06x = 10,905,625,953.09
  5. Step 5: Solve for x
    x = 10,905,625,953.09/119,721.06
  6. Step 6: Final answer
    x = 91,091.96

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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.