Home / 239,223.01-329,981.77-142,361.90

Finding the Fourth Proportional to 239,223.01, 329,981.77 and 142,361.90

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Solution

The fourth proportional to 239,223.01, 329,981.77 and 142,361.90 is: 196,372.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,223.01 : 329,981.77 = 142,361.90 : x
  2. Step 2: Convert to fraction form
    239,223.01/329,981.77 = 142,361.90/x
  3. Step 3: Cross multiply
    239,223.01x = 329,981.77 × 142,361.90
  4. Step 4: Simplify right side
    239,223.01x = 46,976,831,742.56
  5. Step 5: Solve for x
    x = 46,976,831,742.56/239,223.01
  6. Step 6: Final answer
    x = 196,372.55

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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.