Home / 169,328.43-254,017.26-90,399.60

Finding the Fourth Proportional to 169,328.43, 254,017.26 and 90,399.60

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Solution

The fourth proportional to 169,328.43, 254,017.26 and 90,399.60 is: 135,612.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,328.43 : 254,017.26 = 90,399.60 : x
  2. Step 2: Convert to fraction form
    169,328.43/254,017.26 = 90,399.60/x
  3. Step 3: Cross multiply
    169,328.43x = 254,017.26 × 90,399.60
  4. Step 4: Simplify right side
    169,328.43x = 22,963,058,697.10
  5. Step 5: Solve for x
    x = 22,963,058,697.10/169,328.43
  6. Step 6: Final answer
    x = 135,612.54

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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.