Home / 197,480.75-272,556-121,042.35

Finding the Fourth Proportional to 197,480.75, 272,556 and 121,042.35

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Solution

The fourth proportional to 197,480.75, 272,556 and 121,042.35 is: 167,058.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,480.75 : 272,556 = 121,042.35 : x
  2. Step 2: Convert to fraction form
    197,480.75/272,556 = 121,042.35/x
  3. Step 3: Cross multiply
    197,480.75x = 272,556 × 121,042.35
  4. Step 4: Simplify right side
    197,480.75x = 32,990,818,746.60
  5. Step 5: Solve for x
    x = 32,990,818,746.60/197,480.75
  6. Step 6: Final answer
    x = 167,058.41

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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.