Home / 133,245.24-183,791.66-85,422.84

Finding the Fourth Proportional to 133,245.24, 183,791.66 and 85,422.84

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Solution

The fourth proportional to 133,245.24, 183,791.66 and 85,422.84 is: 117,827.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,245.24 : 183,791.66 = 85,422.84 : x
  2. Step 2: Convert to fraction form
    133,245.24/183,791.66 = 85,422.84/x
  3. Step 3: Cross multiply
    133,245.24x = 183,791.66 × 85,422.84
  4. Step 4: Simplify right side
    133,245.24x = 15,700,005,565.51
  5. Step 5: Solve for x
    x = 15,700,005,565.51/133,245.24
  6. Step 6: Final answer
    x = 117,827.89

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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.