Home / 147,500.11-203,492.41-90,813.07

Finding the Fourth Proportional to 147,500.11, 203,492.41 and 90,813.07

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Solution

The fourth proportional to 147,500.11, 203,492.41 and 90,813.07 is: 125,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,500.11 : 203,492.41 = 90,813.07 : x
  2. Step 2: Convert to fraction form
    147,500.11/203,492.41 = 90,813.07/x
  3. Step 3: Cross multiply
    147,500.11x = 203,492.41 × 90,813.07
  4. Step 4: Simplify right side
    147,500.11x = 18,479,770,473.80
  5. Step 5: Solve for x
    x = 18,479,770,473.80/147,500.11
  6. Step 6: Final answer
    x = 125,286.49

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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.