Home / 197,079.57-271,970.10-112,196.63

Finding the Fourth Proportional to 197,079.57, 271,970.10 and 112,196.63

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Solution

The fourth proportional to 197,079.57, 271,970.10 and 112,196.63 is: 154,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,079.57 : 271,970.10 = 112,196.63 : x
  2. Step 2: Convert to fraction form
    197,079.57/271,970.10 = 112,196.63/x
  3. Step 3: Cross multiply
    197,079.57x = 271,970.10 × 112,196.63
  4. Step 4: Simplify right side
    197,079.57x = 30,514,127,320.91
  5. Step 5: Solve for x
    x = 30,514,127,320.91/197,079.57
  6. Step 6: Final answer
    x = 154,831.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.