Home / 101,240.20-151,858.14-31,117.96

Finding the Fourth Proportional to 101,240.20, 151,858.14 and 31,117.96

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Solution

The fourth proportional to 101,240.20, 151,858.14 and 31,117.96 is: 46,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,240.20 : 151,858.14 = 31,117.96 : x
  2. Step 2: Convert to fraction form
    101,240.20/151,858.14 = 31,117.96/x
  3. Step 3: Cross multiply
    101,240.20x = 151,858.14 × 31,117.96
  4. Step 4: Simplify right side
    101,240.20x = 4,725,515,526.19
  5. Step 5: Solve for x
    x = 4,725,515,526.19/101,240.20
  6. Step 6: Final answer
    x = 46,676.28

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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.