Home / 133,567.86-200,305.66-38,772.34

Finding the Fourth Proportional to 133,567.86, 200,305.66 and 38,772.34

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Solution

The fourth proportional to 133,567.86, 200,305.66 and 38,772.34 is: 58,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,567.86 : 200,305.66 = 38,772.34 : x
  2. Step 2: Convert to fraction form
    133,567.86/200,305.66 = 38,772.34/x
  3. Step 3: Cross multiply
    133,567.86x = 200,305.66 × 38,772.34
  4. Step 4: Simplify right side
    133,567.86x = 7,766,319,460.35
  5. Step 5: Solve for x
    x = 7,766,319,460.35/133,567.86
  6. Step 6: Final answer
    x = 58,145.12

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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.