Home / 147,433.08-203,322.72-109,287.66

Finding the Fourth Proportional to 147,433.08, 203,322.72 and 109,287.66

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Solution

The fourth proportional to 147,433.08, 203,322.72 and 109,287.66 is: 150,716.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,433.08 : 203,322.72 = 109,287.66 : x
  2. Step 2: Convert to fraction form
    147,433.08/203,322.72 = 109,287.66/x
  3. Step 3: Cross multiply
    147,433.08x = 203,322.72 × 109,287.66
  4. Step 4: Simplify right side
    147,433.08x = 22,220,665,465.92
  5. Step 5: Solve for x
    x = 22,220,665,465.92/147,433.08
  6. Step 6: Final answer
    x = 150,716.96

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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.