Home / 197,590.32-272,649.24-112,702.32

Finding the Fourth Proportional to 197,590.32, 272,649.24 and 112,702.32

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Solution

The fourth proportional to 197,590.32, 272,649.24 and 112,702.32 is: 155,514.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,590.32 : 272,649.24 = 112,702.32 : x
  2. Step 2: Convert to fraction form
    197,590.32/272,649.24 = 112,702.32/x
  3. Step 3: Cross multiply
    197,590.32x = 272,649.24 × 112,702.32
  4. Step 4: Simplify right side
    197,590.32x = 30,728,201,894.24
  5. Step 5: Solve for x
    x = 30,728,201,894.24/197,590.32
  6. Step 6: Final answer
    x = 155,514.71

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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.