Home / 215,741.49-297,733.47-120,248.88

Finding the Fourth Proportional to 215,741.49, 297,733.47 and 120,248.88

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Solution

The fourth proportional to 215,741.49, 297,733.47 and 120,248.88 is: 165,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,741.49 : 297,733.47 = 120,248.88 : x
  2. Step 2: Convert to fraction form
    215,741.49/297,733.47 = 120,248.88/x
  3. Step 3: Cross multiply
    215,741.49x = 297,733.47 × 120,248.88
  4. Step 4: Simplify right side
    215,741.49x = 35,802,116,306.01
  5. Step 5: Solve for x
    x = 35,802,116,306.01/215,741.49
  6. Step 6: Final answer
    x = 165,949.15

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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.