Home / 149,681.42-206,361.87-124,091.18

Finding the Fourth Proportional to 149,681.42, 206,361.87 and 124,091.18

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Solution

The fourth proportional to 149,681.42, 206,361.87 and 124,091.18 is: 171,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,681.42 : 206,361.87 = 124,091.18 : x
  2. Step 2: Convert to fraction form
    149,681.42/206,361.87 = 124,091.18/x
  3. Step 3: Cross multiply
    149,681.42x = 206,361.87 × 124,091.18
  4. Step 4: Simplify right side
    149,681.42x = 25,607,687,955.31
  5. Step 5: Solve for x
    x = 25,607,687,955.31/149,681.42
  6. Step 6: Final answer
    x = 171,081.27

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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.