Home / 90,224.10-135,334.60-31,058.46

Finding the Fourth Proportional to 90,224.10, 135,334.60 and 31,058.46

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Solution

The fourth proportional to 90,224.10, 135,334.60 and 31,058.46 is: 46,587.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,224.10 : 135,334.60 = 31,058.46 : x
  2. Step 2: Convert to fraction form
    90,224.10/135,334.60 = 31,058.46/x
  3. Step 3: Cross multiply
    90,224.10x = 135,334.60 × 31,058.46
  4. Step 4: Simplify right side
    90,224.10x = 4,203,284,183.07
  5. Step 5: Solve for x
    x = 4,203,284,183.07/90,224.10
  6. Step 6: Final answer
    x = 46,587.16

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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.