Home / 101,506.47-152,274.30-31,391.25

Finding the Fourth Proportional to 101,506.47, 152,274.30 and 31,391.25

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Solution

The fourth proportional to 101,506.47, 152,274.30 and 31,391.25 is: 47,091.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,506.47 : 152,274.30 = 31,391.25 : x
  2. Step 2: Convert to fraction form
    101,506.47/152,274.30 = 31,391.25/x
  3. Step 3: Cross multiply
    101,506.47x = 152,274.30 × 31,391.25
  4. Step 4: Simplify right side
    101,506.47x = 4,780,080,619.88
  5. Step 5: Solve for x
    x = 4,780,080,619.88/101,506.47
  6. Step 6: Final answer
    x = 47,091.39

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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.