Home / 215,154.02-322,741.56-82,009.46

Finding the Fourth Proportional to 215,154.02, 322,741.56 and 82,009.46

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Solution

The fourth proportional to 215,154.02, 322,741.56 and 82,009.46 is: 123,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,154.02 : 322,741.56 = 82,009.46 : x
  2. Step 2: Convert to fraction form
    215,154.02/322,741.56 = 82,009.46/x
  3. Step 3: Cross multiply
    215,154.02x = 322,741.56 × 82,009.46
  4. Step 4: Simplify right side
    215,154.02x = 26,467,862,169.55
  5. Step 5: Solve for x
    x = 26,467,862,169.55/215,154.02
  6. Step 6: Final answer
    x = 123,018.21

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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.