Home / 155,984.73-215,293.32-101,442.03

Finding the Fourth Proportional to 155,984.73, 215,293.32 and 101,442.03

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Solution

The fourth proportional to 155,984.73, 215,293.32 and 101,442.03 is: 140,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,984.73 : 215,293.32 = 101,442.03 : x
  2. Step 2: Convert to fraction form
    155,984.73/215,293.32 = 101,442.03/x
  3. Step 3: Cross multiply
    155,984.73x = 215,293.32 × 101,442.03
  4. Step 4: Simplify right side
    155,984.73x = 21,839,791,426.24
  5. Step 5: Solve for x
    x = 21,839,791,426.24/155,984.73
  6. Step 6: Final answer
    x = 140,012.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.