Home / 126,302.49-174,293.10-75,288.94

Finding the Fourth Proportional to 126,302.49, 174,293.10 and 75,288.94

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Solution

The fourth proportional to 126,302.49, 174,293.10 and 75,288.94 is: 103,896.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,302.49 : 174,293.10 = 75,288.94 : x
  2. Step 2: Convert to fraction form
    126,302.49/174,293.10 = 75,288.94/x
  3. Step 3: Cross multiply
    126,302.49x = 174,293.10 × 75,288.94
  4. Step 4: Simplify right side
    126,302.49x = 13,122,342,312.58
  5. Step 5: Solve for x
    x = 13,122,342,312.58/126,302.49
  6. Step 6: Final answer
    x = 103,896.15

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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.