Home / 131,801.60-197,615.04-72,665.60

Finding the Fourth Proportional to 131,801.60, 197,615.04 and 72,665.60

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Solution

The fourth proportional to 131,801.60, 197,615.04 and 72,665.60 is: 108,950.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,801.60 : 197,615.04 = 72,665.60 : x
  2. Step 2: Convert to fraction form
    131,801.60/197,615.04 = 72,665.60/x
  3. Step 3: Cross multiply
    131,801.60x = 197,615.04 × 72,665.60
  4. Step 4: Simplify right side
    131,801.60x = 14,359,815,450.62
  5. Step 5: Solve for x
    x = 14,359,815,450.62/131,801.60
  6. Step 6: Final answer
    x = 108,950.24

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1.5x scale

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.