Home / 126,454.15-174,491.79-75,457.43

Finding the Fourth Proportional to 126,454.15, 174,491.79 and 75,457.43

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Solution

The fourth proportional to 126,454.15, 174,491.79 and 75,457.43 is: 104,122.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,454.15 : 174,491.79 = 75,457.43 : x
  2. Step 2: Convert to fraction form
    126,454.15/174,491.79 = 75,457.43/x
  3. Step 3: Cross multiply
    126,454.15x = 174,491.79 × 75,457.43
  4. Step 4: Simplify right side
    126,454.15x = 13,166,701,157.04
  5. Step 5: Solve for x
    x = 13,166,701,157.04/126,454.15
  6. Step 6: Final answer
    x = 104,122.34

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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.