Home / 197,465.22-272,218.58-140,778.18

Finding the Fourth Proportional to 197,465.22, 272,218.58 and 140,778.18

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Solution

The fourth proportional to 197,465.22, 272,218.58 and 140,778.18 is: 194,071.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,465.22 : 272,218.58 = 140,778.18 : x
  2. Step 2: Convert to fraction form
    197,465.22/272,218.58 = 140,778.18/x
  3. Step 3: Cross multiply
    197,465.22x = 272,218.58 × 140,778.18
  4. Step 4: Simplify right side
    197,465.22x = 38,322,436,254.58
  5. Step 5: Solve for x
    x = 38,322,436,254.58/197,465.22
  6. Step 6: Final answer
    x = 194,071.83

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1.5x scale

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.