Home / 100,048.10-150,090.62-31,676.85

Finding the Fourth Proportional to 100,048.10, 150,090.62 and 31,676.85

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Solution

The fourth proportional to 100,048.10, 150,090.62 and 31,676.85 is: 47,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,048.10 : 150,090.62 = 31,676.85 : x
  2. Step 2: Convert to fraction form
    100,048.10/150,090.62 = 31,676.85/x
  3. Step 3: Cross multiply
    100,048.10x = 150,090.62 × 31,676.85
  4. Step 4: Simplify right side
    100,048.10x = 4,754,397,897.76
  5. Step 5: Solve for x
    x = 4,754,397,897.76/100,048.10
  6. Step 6: Final answer
    x = 47,521.12

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1.5x scale

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.