Home / 134,250.75-185,271.39-80,516.16

Finding the Fourth Proportional to 134,250.75, 185,271.39 and 80,516.16

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Solution

The fourth proportional to 134,250.75, 185,271.39 and 80,516.16 is: 111,115.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,250.75 : 185,271.39 = 80,516.16 : x
  2. Step 2: Convert to fraction form
    134,250.75/185,271.39 = 80,516.16/x
  3. Step 3: Cross multiply
    134,250.75x = 185,271.39 × 80,516.16
  4. Step 4: Simplify right side
    134,250.75x = 14,917,340,880.66
  5. Step 5: Solve for x
    x = 14,917,340,880.66/134,250.75
  6. Step 6: Final answer
    x = 111,115.51

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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.