Home / 142,537.30-195,653.56-126,043.18

Finding the Fourth Proportional to 142,537.30, 195,653.56 and 126,043.18

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Solution

The fourth proportional to 142,537.30, 195,653.56 and 126,043.18 is: 173,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,537.30 : 195,653.56 = 126,043.18 : x
  2. Step 2: Convert to fraction form
    142,537.30/195,653.56 = 126,043.18/x
  3. Step 3: Cross multiply
    142,537.30x = 195,653.56 × 126,043.18
  4. Step 4: Simplify right side
    142,537.30x = 24,660,796,880.72
  5. Step 5: Solve for x
    x = 24,660,796,880.72/142,537.30
  6. Step 6: Final answer
    x = 173,012.94

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.