Home / 103,832.91-143,344.50-83,190.36

Finding the Fourth Proportional to 103,832.91, 143,344.50 and 83,190.36

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Solution

The fourth proportional to 103,832.91, 143,344.50 and 83,190.36 is: 114,846.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,832.91 : 143,344.50 = 83,190.36 : x
  2. Step 2: Convert to fraction form
    103,832.91/143,344.50 = 83,190.36/x
  3. Step 3: Cross multiply
    103,832.91x = 143,344.50 × 83,190.36
  4. Step 4: Simplify right side
    103,832.91x = 11,924,880,559.02
  5. Step 5: Solve for x
    x = 11,924,880,559.02/103,832.91
  6. Step 6: Final answer
    x = 114,846.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.