Home / 197,284.20-272,187.96-120,723.40

Finding the Fourth Proportional to 197,284.20, 272,187.96 and 120,723.40

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Solution

The fourth proportional to 197,284.20, 272,187.96 and 120,723.40 is: 166,558.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,284.20 : 272,187.96 = 120,723.40 : x
  2. Step 2: Convert to fraction form
    197,284.20/272,187.96 = 120,723.40/x
  3. Step 3: Cross multiply
    197,284.20x = 272,187.96 × 120,723.40
  4. Step 4: Simplify right side
    197,284.20x = 32,859,455,970.26
  5. Step 5: Solve for x
    x = 32,859,455,970.26/197,284.20
  6. Step 6: Final answer
    x = 166,558.98

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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.