Home / 101,085.70-151,721.93-51,200.83

Finding the Fourth Proportional to 101,085.70, 151,721.93 and 51,200.83

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Solution

The fourth proportional to 101,085.70, 151,721.93 and 51,200.83 is: 76,848.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,085.70 : 151,721.93 = 51,200.83 : x
  2. Step 2: Convert to fraction form
    101,085.70/151,721.93 = 51,200.83/x
  3. Step 3: Cross multiply
    101,085.70x = 151,721.93 × 51,200.83
  4. Step 4: Simplify right side
    101,085.70x = 7,768,288,829.51
  5. Step 5: Solve for x
    x = 7,768,288,829.51/101,085.70
  6. Step 6: Final answer
    x = 76,848.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.