Home / 90,280.46-135,420.35-27,100.31

Finding the Fourth Proportional to 90,280.46, 135,420.35 and 27,100.31

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Solution

The fourth proportional to 90,280.46, 135,420.35 and 27,100.31 is: 40,650.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,280.46 : 135,420.35 = 27,100.31 : x
  2. Step 2: Convert to fraction form
    90,280.46/135,420.35 = 27,100.31/x
  3. Step 3: Cross multiply
    90,280.46x = 135,420.35 × 27,100.31
  4. Step 4: Simplify right side
    90,280.46x = 3,669,932,652.71
  5. Step 5: Solve for x
    x = 3,669,932,652.71/90,280.46
  6. Step 6: Final answer
    x = 40,650.36

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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.