Home / 103,633.21-143,003.62-58,310.06

Finding the Fourth Proportional to 103,633.21, 143,003.62 and 58,310.06

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Solution

The fourth proportional to 103,633.21, 143,003.62 and 58,310.06 is: 80,462.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633.21 : 143,003.62 = 58,310.06 : x
  2. Step 2: Convert to fraction form
    103,633.21/143,003.62 = 58,310.06/x
  3. Step 3: Cross multiply
    103,633.21x = 143,003.62 × 58,310.06
  4. Step 4: Simplify right side
    103,633.21x = 8,338,549,662.42
  5. Step 5: Solve for x
    x = 8,338,549,662.42/103,633.21
  6. Step 6: Final answer
    x = 80,462.14

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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.