Home / 134,785.42-186,003.92-74,356.22

Finding the Fourth Proportional to 134,785.42, 186,003.92 and 74,356.22

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Solution

The fourth proportional to 134,785.42, 186,003.92 and 74,356.22 is: 102,611.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,785.42 : 186,003.92 = 74,356.22 : x
  2. Step 2: Convert to fraction form
    134,785.42/186,003.92 = 74,356.22/x
  3. Step 3: Cross multiply
    134,785.42x = 186,003.92 × 74,356.22
  4. Step 4: Simplify right side
    134,785.42x = 13,830,548,396.38
  5. Step 5: Solve for x
    x = 13,830,548,396.38/134,785.42
  6. Step 6: Final answer
    x = 102,611.61

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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.