Home / 215,731.47-297,710.82-120,244.23

Finding the Fourth Proportional to 215,731.47, 297,710.82 and 120,244.23

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Solution

The fourth proportional to 215,731.47, 297,710.82 and 120,244.23 is: 165,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,731.47 : 297,710.82 = 120,244.23 : x
  2. Step 2: Convert to fraction form
    215,731.47/297,710.82 = 120,244.23/x
  3. Step 3: Cross multiply
    215,731.47x = 297,710.82 × 120,244.23
  4. Step 4: Simplify right side
    215,731.47x = 35,798,008,313.57
  5. Step 5: Solve for x
    x = 35,798,008,313.57/215,731.47
  6. Step 6: Final answer
    x = 165,937.81

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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.