Home / 196,222.40-294,355.20-71,590.40

Finding the Fourth Proportional to 196,222.40, 294,355.20 and 71,590.40

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Solution

The fourth proportional to 196,222.40, 294,355.20 and 71,590.40 is: 107,393.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,222.40 : 294,355.20 = 71,590.40 : x
  2. Step 2: Convert to fraction form
    196,222.40/294,355.20 = 71,590.40/x
  3. Step 3: Cross multiply
    196,222.40x = 294,355.20 × 71,590.40
  4. Step 4: Simplify right side
    196,222.40x = 21,073,006,510.08
  5. Step 5: Solve for x
    x = 21,073,006,510.08/196,222.40
  6. Step 6: Final answer
    x = 107,393.48

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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.