Home / 196,225.80-294,338.70-102,760.20

Finding the Fourth Proportional to 196,225.80, 294,338.70 and 102,760.20

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Solution

The fourth proportional to 196,225.80, 294,338.70 and 102,760.20 is: 154,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,225.80 : 294,338.70 = 102,760.20 : x
  2. Step 2: Convert to fraction form
    196,225.80/294,338.70 = 102,760.20/x
  3. Step 3: Cross multiply
    196,225.80x = 294,338.70 × 102,760.20
  4. Step 4: Simplify right side
    196,225.80x = 30,246,303,679.74
  5. Step 5: Solve for x
    x = 30,246,303,679.74/196,225.80
  6. Step 6: Final answer
    x = 154,140.30

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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.