Home / 119,995.03-165,589.98-66,278.90

Finding the Fourth Proportional to 119,995.03, 165,589.98 and 66,278.90

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Solution

The fourth proportional to 119,995.03, 165,589.98 and 66,278.90 is: 91,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,995.03 : 165,589.98 = 66,278.90 : x
  2. Step 2: Convert to fraction form
    119,995.03/165,589.98 = 66,278.90/x
  3. Step 3: Cross multiply
    119,995.03x = 165,589.98 × 66,278.90
  4. Step 4: Simplify right side
    119,995.03x = 10,975,121,192.57
  5. Step 5: Solve for x
    x = 10,975,121,192.57/119,995.03
  6. Step 6: Final answer
    x = 91,463.13

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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.