Home / 203,529.08-280,545.68-160,438.34

Finding the Fourth Proportional to 203,529.08, 280,545.68 and 160,438.34

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Solution

The fourth proportional to 203,529.08, 280,545.68 and 160,438.34 is: 221,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,529.08 : 280,545.68 = 160,438.34 : x
  2. Step 2: Convert to fraction form
    203,529.08/280,545.68 = 160,438.34/x
  3. Step 3: Cross multiply
    203,529.08x = 280,545.68 × 160,438.34
  4. Step 4: Simplify right side
    203,529.08x = 45,010,283,193.37
  5. Step 5: Solve for x
    x = 45,010,283,193.37/203,529.08
  6. Step 6: Final answer
    x = 221,149.15

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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.