Home / 284,069.38-392,002.63-163,125.58

Finding the Fourth Proportional to 284,069.38, 392,002.63 and 163,125.58

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Solution

The fourth proportional to 284,069.38, 392,002.63 and 163,125.58 is: 225,105.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,069.38 : 392,002.63 = 163,125.58 : x
  2. Step 2: Convert to fraction form
    284,069.38/392,002.63 = 163,125.58/x
  3. Step 3: Cross multiply
    284,069.38x = 392,002.63 × 163,125.58
  4. Step 4: Simplify right side
    284,069.38x = 63,945,656,380.28
  5. Step 5: Solve for x
    x = 63,945,656,380.28/284,069.38
  6. Step 6: Final answer
    x = 225,105.77

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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.