Home / 215,350.47-297,180.68-119,857.20

Finding the Fourth Proportional to 215,350.47, 297,180.68 and 119,857.20

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Solution

The fourth proportional to 215,350.47, 297,180.68 and 119,857.20 is: 165,401.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,350.47 : 297,180.68 = 119,857.20 : x
  2. Step 2: Convert to fraction form
    215,350.47/297,180.68 = 119,857.20/x
  3. Step 3: Cross multiply
    215,350.47x = 297,180.68 × 119,857.20
  4. Step 4: Simplify right side
    215,350.47x = 35,619,243,599.61
  5. Step 5: Solve for x
    x = 35,619,243,599.61/215,350.47
  6. Step 6: Final answer
    x = 165,401.28

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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.