Home / 103,066.32-142,221.96-58,354.32

Finding the Fourth Proportional to 103,066.32, 142,221.96 and 58,354.32

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Solution

The fourth proportional to 103,066.32, 142,221.96 and 58,354.32 is: 80,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,066.32 : 142,221.96 = 58,354.32 : x
  2. Step 2: Convert to fraction form
    103,066.32/142,221.96 = 58,354.32/x
  3. Step 3: Cross multiply
    103,066.32x = 142,221.96 × 58,354.32
  4. Step 4: Simplify right side
    103,066.32x = 8,299,265,764.87
  5. Step 5: Solve for x
    x = 8,299,265,764.87/103,066.32
  6. Step 6: Final answer
    x = 80,523.55

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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.