Home / 212,781.11-293,629.08-115,982.83

Finding the Fourth Proportional to 212,781.11, 293,629.08 and 115,982.83

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Solution

The fourth proportional to 212,781.11, 293,629.08 and 115,982.83 is: 160,051.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,781.11 : 293,629.08 = 115,982.83 : x
  2. Step 2: Convert to fraction form
    212,781.11/293,629.08 = 115,982.83/x
  3. Step 3: Cross multiply
    212,781.11x = 293,629.08 × 115,982.83
  4. Step 4: Simplify right side
    212,781.11x = 34,055,931,668.70
  5. Step 5: Solve for x
    x = 34,055,931,668.70/212,781.11
  6. Step 6: Final answer
    x = 160,051.48

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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.