Home / 126,503.89-174,554.31-75,537.19

Finding the Fourth Proportional to 126,503.89, 174,554.31 and 75,537.19

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Solution

The fourth proportional to 126,503.89, 174,554.31 and 75,537.19 is: 104,228.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,503.89 : 174,554.31 = 75,537.19 : x
  2. Step 2: Convert to fraction form
    126,503.89/174,554.31 = 75,537.19/x
  3. Step 3: Cross multiply
    126,503.89x = 174,554.31 × 75,537.19
  4. Step 4: Simplify right side
    126,503.89x = 13,185,342,079.79
  5. Step 5: Solve for x
    x = 13,185,342,079.79/126,503.89
  6. Step 6: Final answer
    x = 104,228.75

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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.