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Finding the Fourth Proportional to 126,483.64, 174,526.38 and 75,517

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Solution

The fourth proportional to 126,483.64, 174,526.38 and 75,517 is: 104,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,483.64 : 174,526.38 = 75,517 : x
  2. Step 2: Convert to fraction form
    126,483.64/174,526.38 = 75,517/x
  3. Step 3: Cross multiply
    126,483.64x = 174,526.38 × 75,517
  4. Step 4: Simplify right side
    126,483.64x = 13,179,708,638.46
  5. Step 5: Solve for x
    x = 13,179,708,638.46/126,483.64
  6. Step 6: Final answer
    x = 104,200.90

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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.