Home / 211,177.81-291,352.53-120,468.34

Finding the Fourth Proportional to 211,177.81, 291,352.53 and 120,468.34

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Solution

The fourth proportional to 211,177.81, 291,352.53 and 120,468.34 is: 166,204.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,177.81 : 291,352.53 = 120,468.34 : x
  2. Step 2: Convert to fraction form
    211,177.81/291,352.53 = 120,468.34/x
  3. Step 3: Cross multiply
    211,177.81x = 291,352.53 × 120,468.34
  4. Step 4: Simplify right side
    211,177.81x = 35,098,755,643.90
  5. Step 5: Solve for x
    x = 35,098,755,643.90/211,177.81
  6. Step 6: Final answer
    x = 166,204.75

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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.