Home / 197,370.40-296,055.60-72,695.20

Finding the Fourth Proportional to 197,370.40, 296,055.60 and 72,695.20

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Solution

The fourth proportional to 197,370.40, 296,055.60 and 72,695.20 is: 109,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,370.40 : 296,055.60 = 72,695.20 : x
  2. Step 2: Convert to fraction form
    197,370.40/296,055.60 = 72,695.20/x
  3. Step 3: Cross multiply
    197,370.40x = 296,055.60 × 72,695.20
  4. Step 4: Simplify right side
    197,370.40x = 21,521,821,053.12
  5. Step 5: Solve for x
    x = 21,521,821,053.12/197,370.40
  6. Step 6: Final answer
    x = 109,042.80

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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.