Home / 215,752.28-297,748.23-120,259.66

Finding the Fourth Proportional to 215,752.28, 297,748.23 and 120,259.66

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Solution

The fourth proportional to 215,752.28, 297,748.23 and 120,259.66 is: 165,963.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,752.28 : 297,748.23 = 120,259.66 : x
  2. Step 2: Convert to fraction form
    215,752.28/297,748.23 = 120,259.66/x
  3. Step 3: Cross multiply
    215,752.28x = 297,748.23 × 120,259.66
  4. Step 4: Simplify right side
    215,752.28x = 35,807,100,905.40
  5. Step 5: Solve for x
    x = 35,807,100,905.40/215,752.28
  6. Step 6: Final answer
    x = 165,963.95

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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.