Home / 220,265.46-303,898.07-123,455.90

Finding the Fourth Proportional to 220,265.46, 303,898.07 and 123,455.90

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Solution

The fourth proportional to 220,265.46, 303,898.07 and 123,455.90 is: 170,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,265.46 : 303,898.07 = 123,455.90 : x
  2. Step 2: Convert to fraction form
    220,265.46/303,898.07 = 123,455.90/x
  3. Step 3: Cross multiply
    220,265.46x = 303,898.07 × 123,455.90
  4. Step 4: Simplify right side
    220,265.46x = 37,518,007,603.34
  5. Step 5: Solve for x
    x = 37,518,007,603.34/220,265.46
  6. Step 6: Final answer
    x = 170,330.87

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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.