Home / 154,200.72-231,309.08-43,401.36

Finding the Fourth Proportional to 154,200.72, 231,309.08 and 43,401.36

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Solution

The fourth proportional to 154,200.72, 231,309.08 and 43,401.36 is: 65,104.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,200.72 : 231,309.08 = 43,401.36 : x
  2. Step 2: Convert to fraction form
    154,200.72/231,309.08 = 43,401.36/x
  3. Step 3: Cross multiply
    154,200.72x = 231,309.08 × 43,401.36
  4. Step 4: Simplify right side
    154,200.72x = 10,039,128,652.35
  5. Step 5: Solve for x
    x = 10,039,128,652.35/154,200.72
  6. Step 6: Final answer
    x = 65,104.29

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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.