Home / 142,580.04-196,809.60-82,174.80

Finding the Fourth Proportional to 142,580.04, 196,809.60 and 82,174.80

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Solution

The fourth proportional to 142,580.04, 196,809.60 and 82,174.80 is: 113,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,580.04 : 196,809.60 = 82,174.80 : x
  2. Step 2: Convert to fraction form
    142,580.04/196,809.60 = 82,174.80/x
  3. Step 3: Cross multiply
    142,580.04x = 196,809.60 × 82,174.80
  4. Step 4: Simplify right side
    142,580.04x = 16,172,789,518.08
  5. Step 5: Solve for x
    x = 16,172,789,518.08/142,580.04
  6. Step 6: Final answer
    x = 113,429.55

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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.