Home / 197,148.20-295,722.30-72,463.40

Finding the Fourth Proportional to 197,148.20, 295,722.30 and 72,463.40

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Solution

The fourth proportional to 197,148.20, 295,722.30 and 72,463.40 is: 108,695.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,148.20 : 295,722.30 = 72,463.40 : x
  2. Step 2: Convert to fraction form
    197,148.20/295,722.30 = 72,463.40/x
  3. Step 3: Cross multiply
    197,148.20x = 295,722.30 × 72,463.40
  4. Step 4: Simplify right side
    197,148.20x = 21,429,043,313.82
  5. Step 5: Solve for x
    x = 21,429,043,313.82/197,148.20
  6. Step 6: Final answer
    x = 108,695.10

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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.