Home / 196,298.04-294,451.90-71,639

Finding the Fourth Proportional to 196,298.04, 294,451.90 and 71,639

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Solution

The fourth proportional to 196,298.04, 294,451.90 and 71,639 is: 107,460.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,298.04 : 294,451.90 = 71,639 : x
  2. Step 2: Convert to fraction form
    196,298.04/294,451.90 = 71,639/x
  3. Step 3: Cross multiply
    196,298.04x = 294,451.90 × 71,639
  4. Step 4: Simplify right side
    196,298.04x = 21,094,239,664.10
  5. Step 5: Solve for x
    x = 21,094,239,664.10/196,298.04
  6. Step 6: Final answer
    x = 107,460.27

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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.