Home / 197,365.27-272,347.63-111,319.51

Finding the Fourth Proportional to 197,365.27, 272,347.63 and 111,319.51

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Solution

The fourth proportional to 197,365.27, 272,347.63 and 111,319.51 is: 153,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,365.27 : 272,347.63 = 111,319.51 : x
  2. Step 2: Convert to fraction form
    197,365.27/272,347.63 = 111,319.51/x
  3. Step 3: Cross multiply
    197,365.27x = 272,347.63 × 111,319.51
  4. Step 4: Simplify right side
    197,365.27x = 30,317,604,721.26
  5. Step 5: Solve for x
    x = 30,317,604,721.26/197,365.27
  6. Step 6: Final answer
    x = 153,611.65

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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.