Home / 197,269.12-272,215.15-111,223.42

Finding the Fourth Proportional to 197,269.12, 272,215.15 and 111,223.42

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Solution

The fourth proportional to 197,269.12, 272,215.15 and 111,223.42 is: 153,479.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,269.12 : 272,215.15 = 111,223.42 : x
  2. Step 2: Convert to fraction form
    197,269.12/272,215.15 = 111,223.42/x
  3. Step 3: Cross multiply
    197,269.12x = 272,215.15 × 111,223.42
  4. Step 4: Simplify right side
    197,269.12x = 30,276,699,958.81
  5. Step 5: Solve for x
    x = 30,276,699,958.81/197,269.12
  6. Step 6: Final answer
    x = 153,479.17

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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.