Home / 101,260.14-151,906.61-31,139.45

Finding the Fourth Proportional to 101,260.14, 151,906.61 and 31,139.45

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Solution

The fourth proportional to 101,260.14, 151,906.61 and 31,139.45 is: 46,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,260.14 : 151,906.61 = 31,139.45 : x
  2. Step 2: Convert to fraction form
    101,260.14/151,906.61 = 31,139.45/x
  3. Step 3: Cross multiply
    101,260.14x = 151,906.61 × 31,139.45
  4. Step 4: Simplify right side
    101,260.14x = 4,730,287,371.53
  5. Step 5: Solve for x
    x = 4,730,287,371.53/101,260.14
  6. Step 6: Final answer
    x = 46,714.21

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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.