Home / 203,049.40-304,501.20-103,176.40

Finding the Fourth Proportional to 203,049.40, 304,501.20 and 103,176.40

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Solution

The fourth proportional to 203,049.40, 304,501.20 and 103,176.40 is: 154,727.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,049.40 : 304,501.20 = 103,176.40 : x
  2. Step 2: Convert to fraction form
    203,049.40/304,501.20 = 103,176.40/x
  3. Step 3: Cross multiply
    203,049.40x = 304,501.20 × 103,176.40
  4. Step 4: Simplify right side
    203,049.40x = 31,417,337,611.68
  5. Step 5: Solve for x
    x = 31,417,337,611.68/203,049.40
  6. Step 6: Final answer
    x = 154,727.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.