Home / 134,436.42-185,520.09-74,007.27

Finding the Fourth Proportional to 134,436.42, 185,520.09 and 74,007.27

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Solution

The fourth proportional to 134,436.42, 185,520.09 and 74,007.27 is: 102,128.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,436.42 : 185,520.09 = 74,007.27 : x
  2. Step 2: Convert to fraction form
    134,436.42/185,520.09 = 74,007.27/x
  3. Step 3: Cross multiply
    134,436.42x = 185,520.09 × 74,007.27
  4. Step 4: Simplify right side
    134,436.42x = 13,729,835,391.05
  5. Step 5: Solve for x
    x = 13,729,835,391.05/134,436.42
  6. Step 6: Final answer
    x = 102,128.84

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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.