Home / 131,942.80-197,541.60-102,701.80

Finding the Fourth Proportional to 131,942.80, 197,541.60 and 102,701.80

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Solution

The fourth proportional to 131,942.80, 197,541.60 and 102,701.80 is: 153,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,942.80 : 197,541.60 = 102,701.80 : x
  2. Step 2: Convert to fraction form
    131,942.80/197,541.60 = 102,701.80/x
  3. Step 3: Cross multiply
    131,942.80x = 197,541.60 × 102,701.80
  4. Step 4: Simplify right side
    131,942.80x = 20,287,877,894.88
  5. Step 5: Solve for x
    x = 20,287,877,894.88/131,942.80
  6. Step 6: Final answer
    x = 153,762.68

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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.