Home / 91,004.91-136,514.26-31,014.73

Finding the Fourth Proportional to 91,004.91, 136,514.26 and 31,014.73

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Solution

The fourth proportional to 91,004.91, 136,514.26 and 31,014.73 is: 46,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,004.91 : 136,514.26 = 31,014.73 : x
  2. Step 2: Convert to fraction form
    91,004.91/136,514.26 = 31,014.73/x
  3. Step 3: Cross multiply
    91,004.91x = 136,514.26 × 31,014.73
  4. Step 4: Simplify right side
    91,004.91x = 4,233,953,333.87
  5. Step 5: Solve for x
    x = 4,233,953,333.87/91,004.91
  6. Step 6: Final answer
    x = 46,524.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.