Home / 215,773.53-297,756.56-120,261.77

Finding the Fourth Proportional to 215,773.53, 297,756.56 and 120,261.77

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Solution

The fourth proportional to 215,773.53, 297,756.56 and 120,261.77 is: 165,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,773.53 : 297,756.56 = 120,261.77 : x
  2. Step 2: Convert to fraction form
    215,773.53/297,756.56 = 120,261.77/x
  3. Step 3: Cross multiply
    215,773.53x = 297,756.56 × 120,261.77
  4. Step 4: Simplify right side
    215,773.53x = 35,808,728,844.62
  5. Step 5: Solve for x
    x = 35,808,728,844.62/215,773.53
  6. Step 6: Final answer
    x = 165,955.15

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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.