Home / 135,513.54-186,993.36-75,068.91

Finding the Fourth Proportional to 135,513.54, 186,993.36 and 75,068.91

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Solution

The fourth proportional to 135,513.54, 186,993.36 and 75,068.91 is: 103,586.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,513.54 : 186,993.36 = 75,068.91 : x
  2. Step 2: Convert to fraction form
    135,513.54/186,993.36 = 75,068.91/x
  3. Step 3: Cross multiply
    135,513.54x = 186,993.36 × 75,068.91
  4. Step 4: Simplify right side
    135,513.54x = 14,037,387,712.44
  5. Step 5: Solve for x
    x = 14,037,387,712.44/135,513.54
  6. Step 6: Final answer
    x = 103,586.61

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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.