Home / 141,554.64-212,361.12-118,343.28

Finding the Fourth Proportional to 141,554.64, 212,361.12 and 118,343.28

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Solution

The fourth proportional to 141,554.64, 212,361.12 and 118,343.28 is: 177,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,554.64 : 212,361.12 = 118,343.28 : x
  2. Step 2: Convert to fraction form
    141,554.64/212,361.12 = 118,343.28/x
  3. Step 3: Cross multiply
    141,554.64x = 212,361.12 × 118,343.28
  4. Step 4: Simplify right side
    141,554.64x = 25,131,511,485.27
  5. Step 5: Solve for x
    x = 25,131,511,485.27/141,554.64
  6. Step 6: Final answer
    x = 177,539.30

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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.