Home / 135,577.32-187,107.90-75,166.91

Finding the Fourth Proportional to 135,577.32, 187,107.90 and 75,166.91

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Solution

The fourth proportional to 135,577.32, 187,107.90 and 75,166.91 is: 103,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,577.32 : 187,107.90 = 75,166.91 : x
  2. Step 2: Convert to fraction form
    135,577.32/187,107.90 = 75,166.91/x
  3. Step 3: Cross multiply
    135,577.32x = 187,107.90 × 75,166.91
  4. Step 4: Simplify right side
    135,577.32x = 14,064,322,679.59
  5. Step 5: Solve for x
    x = 14,064,322,679.59/135,577.32
  6. Step 6: Final answer
    x = 103,736.54

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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.