Home / 103,380.99-142,669.20-58,066.96

Finding the Fourth Proportional to 103,380.99, 142,669.20 and 58,066.96

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Solution

The fourth proportional to 103,380.99, 142,669.20 and 58,066.96 is: 80,134.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,380.99 : 142,669.20 = 58,066.96 : x
  2. Step 2: Convert to fraction form
    103,380.99/142,669.20 = 58,066.96/x
  3. Step 3: Cross multiply
    103,380.99x = 142,669.20 × 58,066.96
  4. Step 4: Simplify right side
    103,380.99x = 8,284,366,729.63
  5. Step 5: Solve for x
    x = 8,284,366,729.63/103,380.99
  6. Step 6: Final answer
    x = 80,134.33

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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.