Home / 74,128.02-111,192.25-17,967.90

Finding the Fourth Proportional to 74,128.02, 111,192.25 and 17,967.90

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Solution

The fourth proportional to 74,128.02, 111,192.25 and 17,967.90 is: 26,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,128.02 : 111,192.25 = 17,967.90 : x
  2. Step 2: Convert to fraction form
    74,128.02/111,192.25 = 17,967.90/x
  3. Step 3: Cross multiply
    74,128.02x = 111,192.25 × 17,967.90
  4. Step 4: Simplify right side
    74,128.02x = 1,997,891,634.52
  5. Step 5: Solve for x
    x = 1,997,891,634.52/74,128.02
  6. Step 6: Final answer
    x = 26,951.91

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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.