Home / 114,258.59-157,727.78-75,519.75

Finding the Fourth Proportional to 114,258.59, 157,727.78 and 75,519.75

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Solution

The fourth proportional to 114,258.59, 157,727.78 and 75,519.75 is: 104,250.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,258.59 : 157,727.78 = 75,519.75 : x
  2. Step 2: Convert to fraction form
    114,258.59/157,727.78 = 75,519.75/x
  3. Step 3: Cross multiply
    114,258.59x = 157,727.78 × 75,519.75
  4. Step 4: Simplify right side
    114,258.59x = 11,911,562,513.66
  5. Step 5: Solve for x
    x = 11,911,562,513.66/114,258.59
  6. Step 6: Final answer
    x = 104,250.91

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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.