Home / 100,820.02-151,252.98-30,704.80

Finding the Fourth Proportional to 100,820.02, 151,252.98 and 30,704.80

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Solution

The fourth proportional to 100,820.02, 151,252.98 and 30,704.80 is: 46,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,820.02 : 151,252.98 = 30,704.80 : x
  2. Step 2: Convert to fraction form
    100,820.02/151,252.98 = 30,704.80/x
  3. Step 3: Cross multiply
    100,820.02x = 151,252.98 × 30,704.80
  4. Step 4: Simplify right side
    100,820.02x = 4,644,192,500.30
  5. Step 5: Solve for x
    x = 4,644,192,500.30/100,820.02
  6. Step 6: Final answer
    x = 46,064.19

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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.