Home / 135,880.36-187,508.62-75,454.84

Finding the Fourth Proportional to 135,880.36, 187,508.62 and 75,454.84

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Solution

The fourth proportional to 135,880.36, 187,508.62 and 75,454.84 is: 104,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,880.36 : 187,508.62 = 75,454.84 : x
  2. Step 2: Convert to fraction form
    135,880.36/187,508.62 = 75,454.84/x
  3. Step 3: Cross multiply
    135,880.36x = 187,508.62 × 75,454.84
  4. Step 4: Simplify right side
    135,880.36x = 14,148,432,920.72
  5. Step 5: Solve for x
    x = 14,148,432,920.72/135,880.36
  6. Step 6: Final answer
    x = 104,124.19

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1.5x scale

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.