Home / 196,214.40-294,343.20-71,582.40

Finding the Fourth Proportional to 196,214.40, 294,343.20 and 71,582.40

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Solution

The fourth proportional to 196,214.40, 294,343.20 and 71,582.40 is: 107,381.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,214.40 : 294,343.20 = 71,582.40 : x
  2. Step 2: Convert to fraction form
    196,214.40/294,343.20 = 71,582.40/x
  3. Step 3: Cross multiply
    196,214.40x = 294,343.20 × 71,582.40
  4. Step 4: Simplify right side
    196,214.40x = 21,069,792,679.68
  5. Step 5: Solve for x
    x = 21,069,792,679.68/196,214.40
  6. Step 6: Final answer
    x = 107,381.48

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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.