Home / 153,918.42-212,361.12-148,844.58

Finding the Fourth Proportional to 153,918.42, 212,361.12 and 148,844.58

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Solution

The fourth proportional to 153,918.42, 212,361.12 and 148,844.58 is: 205,360.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,918.42 : 212,361.12 = 148,844.58 : x
  2. Step 2: Convert to fraction form
    153,918.42/212,361.12 = 148,844.58/x
  3. Step 3: Cross multiply
    153,918.42x = 212,361.12 × 148,844.58
  4. Step 4: Simplify right side
    153,918.42x = 31,608,801,714.73
  5. Step 5: Solve for x
    x = 31,608,801,714.73/153,918.42
  6. Step 6: Final answer
    x = 205,360.75

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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.