Home / 131,968.80-197,951.40-43,225.20

Finding the Fourth Proportional to 131,968.80, 197,951.40 and 43,225.20

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Solution

The fourth proportional to 131,968.80, 197,951.40 and 43,225.20 is: 64,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,968.80 : 197,951.40 = 43,225.20 : x
  2. Step 2: Convert to fraction form
    131,968.80/197,951.40 = 43,225.20/x
  3. Step 3: Cross multiply
    131,968.80x = 197,951.40 × 43,225.20
  4. Step 4: Simplify right side
    131,968.80x = 8,556,488,855.28
  5. Step 5: Solve for x
    x = 8,556,488,855.28/131,968.80
  6. Step 6: Final answer
    x = 64,837.21

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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.