Home / 90,644.38-135,946.06-34,464.45

Finding the Fourth Proportional to 90,644.38, 135,946.06 and 34,464.45

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Solution

The fourth proportional to 90,644.38, 135,946.06 and 34,464.45 is: 51,688.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,644.38 : 135,946.06 = 34,464.45 : x
  2. Step 2: Convert to fraction form
    90,644.38/135,946.06 = 34,464.45/x
  3. Step 3: Cross multiply
    90,644.38x = 135,946.06 × 34,464.45
  4. Step 4: Simplify right side
    90,644.38x = 4,685,306,611.20
  5. Step 5: Solve for x
    x = 4,685,306,611.20/90,644.38
  6. Step 6: Final answer
    x = 51,688.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.