Home / 145,730.30-201,108.55-82,069.18

Finding the Fourth Proportional to 145,730.30, 201,108.55 and 82,069.18

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Solution

The fourth proportional to 145,730.30, 201,108.55 and 82,069.18 is: 113,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,730.30 : 201,108.55 = 82,069.18 : x
  2. Step 2: Convert to fraction form
    145,730.30/201,108.55 = 82,069.18/x
  3. Step 3: Cross multiply
    145,730.30x = 201,108.55 × 82,069.18
  4. Step 4: Simplify right side
    145,730.30x = 16,504,813,789.49
  5. Step 5: Solve for x
    x = 16,504,813,789.49/145,730.30
  6. Step 6: Final answer
    x = 113,255.88

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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.