Home / 126,484.64-174,527.76-75,518

Finding the Fourth Proportional to 126,484.64, 174,527.76 and 75,518

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Solution

The fourth proportional to 126,484.64, 174,527.76 and 75,518 is: 104,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,484.64 : 174,527.76 = 75,518 : x
  2. Step 2: Convert to fraction form
    126,484.64/174,527.76 = 75,518/x
  3. Step 3: Cross multiply
    126,484.64x = 174,527.76 × 75,518
  4. Step 4: Simplify right side
    126,484.64x = 13,179,987,379.68
  5. Step 5: Solve for x
    x = 13,179,987,379.68/126,484.64
  6. Step 6: Final answer
    x = 104,202.28

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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.