Home / 147,468.28-203,513.34-82,957.72

Finding the Fourth Proportional to 147,468.28, 203,513.34 and 82,957.72

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Solution

The fourth proportional to 147,468.28, 203,513.34 and 82,957.72 is: 114,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,468.28 : 203,513.34 = 82,957.72 : x
  2. Step 2: Convert to fraction form
    147,468.28/203,513.34 = 82,957.72/x
  3. Step 3: Cross multiply
    147,468.28x = 203,513.34 × 82,957.72
  4. Step 4: Simplify right side
    147,468.28x = 16,883,002,675.98
  5. Step 5: Solve for x
    x = 16,883,002,675.98/147,468.28
  6. Step 6: Final answer
    x = 114,485.66

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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.