Home / 197,508.15-272,561.05-111,485.23

Finding the Fourth Proportional to 197,508.15, 272,561.05 and 111,485.23

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Solution

The fourth proportional to 197,508.15, 272,561.05 and 111,485.23 is: 153,849.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,508.15 : 272,561.05 = 111,485.23 : x
  2. Step 2: Convert to fraction form
    197,508.15/272,561.05 = 111,485.23/x
  3. Step 3: Cross multiply
    197,508.15x = 272,561.05 × 111,485.23
  4. Step 4: Simplify right side
    197,508.15x = 30,386,531,348.29
  5. Step 5: Solve for x
    x = 30,386,531,348.29/197,508.15
  6. Step 6: Final answer
    x = 153,849.51

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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.