Home / 134,235.12-185,244.94-73,809.56

Finding the Fourth Proportional to 134,235.12, 185,244.94 and 73,809.56

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Solution

The fourth proportional to 134,235.12, 185,244.94 and 73,809.56 is: 101,857.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,235.12 : 185,244.94 = 73,809.56 : x
  2. Step 2: Convert to fraction form
    134,235.12/185,244.94 = 73,809.56/x
  3. Step 3: Cross multiply
    134,235.12x = 185,244.94 × 73,809.56
  4. Step 4: Simplify right side
    134,235.12x = 13,672,847,976.74
  5. Step 5: Solve for x
    x = 13,672,847,976.74/134,235.12
  6. Step 6: Final answer
    x = 101,857.46

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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.