Home / 90,160.32-135,283.01-40,235.97

Finding the Fourth Proportional to 90,160.32, 135,283.01 and 40,235.97

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Solution

The fourth proportional to 90,160.32, 135,283.01 and 40,235.97 is: 60,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,160.32 : 135,283.01 = 40,235.97 : x
  2. Step 2: Convert to fraction form
    90,160.32/135,283.01 = 40,235.97/x
  3. Step 3: Cross multiply
    90,160.32x = 135,283.01 × 40,235.97
  4. Step 4: Simplify right side
    90,160.32x = 5,443,242,930.69
  5. Step 5: Solve for x
    x = 5,443,242,930.69/90,160.32
  6. Step 6: Final answer
    x = 60,372.93

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1.5x scale

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.