Home / 133,385.04-200,111.04-39,890.52

Finding the Fourth Proportional to 133,385.04, 200,111.04 and 39,890.52

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Solution

The fourth proportional to 133,385.04, 200,111.04 and 39,890.52 is: 59,845.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,385.04 : 200,111.04 = 39,890.52 : x
  2. Step 2: Convert to fraction form
    133,385.04/200,111.04 = 39,890.52/x
  3. Step 3: Cross multiply
    133,385.04x = 200,111.04 × 39,890.52
  4. Step 4: Simplify right side
    133,385.04x = 7,982,533,443.34
  5. Step 5: Solve for x
    x = 7,982,533,443.34/133,385.04
  6. Step 6: Final answer
    x = 59,845.79

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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.