Home / 101,255.64-151,899.86-31,134.95

Finding the Fourth Proportional to 101,255.64, 151,899.86 and 31,134.95

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Solution

The fourth proportional to 101,255.64, 151,899.86 and 31,134.95 is: 46,707.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,255.64 : 151,899.86 = 31,134.95 : x
  2. Step 2: Convert to fraction form
    101,255.64/151,899.86 = 31,134.95/x
  3. Step 3: Cross multiply
    101,255.64x = 151,899.86 × 31,134.95
  4. Step 4: Simplify right side
    101,255.64x = 4,729,393,630.93
  5. Step 5: Solve for x
    x = 4,729,393,630.93/101,255.64
  6. Step 6: Final answer
    x = 46,707.46

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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.