Home / 224,007.28-309,130.03-123,405.28

Finding the Fourth Proportional to 224,007.28, 309,130.03 and 123,405.28

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Solution

The fourth proportional to 224,007.28, 309,130.03 and 123,405.28 is: 170,299.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,007.28 : 309,130.03 = 123,405.28 : x
  2. Step 2: Convert to fraction form
    224,007.28/309,130.03 = 123,405.28/x
  3. Step 3: Cross multiply
    224,007.28x = 309,130.03 × 123,405.28
  4. Step 4: Simplify right side
    224,007.28x = 38,148,277,908.56
  5. Step 5: Solve for x
    x = 38,148,277,908.56/224,007.28
  6. Step 6: Final answer
    x = 170,299.28

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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.