Home / 101,512.48-152,283.34-31,397.26

Finding the Fourth Proportional to 101,512.48, 152,283.34 and 31,397.26

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Solution

The fourth proportional to 101,512.48, 152,283.34 and 31,397.26 is: 47,100.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,512.48 : 152,283.34 = 31,397.26 : x
  2. Step 2: Convert to fraction form
    101,512.48/152,283.34 = 31,397.26/x
  3. Step 3: Cross multiply
    101,512.48x = 152,283.34 × 31,397.26
  4. Step 4: Simplify right side
    101,512.48x = 4,781,279,619.65
  5. Step 5: Solve for x
    x = 4,781,279,619.65/101,512.48
  6. Step 6: Final answer
    x = 47,100.41

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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.