Home / 134,872.75-186,124.40-75,256.75

Finding the Fourth Proportional to 134,872.75, 186,124.40 and 75,256.75

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Solution

The fourth proportional to 134,872.75, 186,124.40 and 75,256.75 is: 103,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,872.75 : 186,124.40 = 75,256.75 : x
  2. Step 2: Convert to fraction form
    134,872.75/186,124.40 = 75,256.75/x
  3. Step 3: Cross multiply
    134,872.75x = 186,124.40 × 75,256.75
  4. Step 4: Simplify right side
    134,872.75x = 14,007,117,439.70
  5. Step 5: Solve for x
    x = 14,007,117,439.70/134,872.75
  6. Step 6: Final answer
    x = 103,854.32

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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.