Home / 131,101.70-180,925.74-73,743.69

Finding the Fourth Proportional to 131,101.70, 180,925.74 and 73,743.69

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Solution

The fourth proportional to 131,101.70, 180,925.74 and 73,743.69 is: 101,769.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,101.70 : 180,925.74 = 73,743.69 : x
  2. Step 2: Convert to fraction form
    131,101.70/180,925.74 = 73,743.69/x
  3. Step 3: Cross multiply
    131,101.70x = 180,925.74 × 73,743.69
  4. Step 4: Simplify right side
    131,101.70x = 13,342,131,683.58
  5. Step 5: Solve for x
    x = 13,342,131,683.58/131,101.70
  6. Step 6: Final answer
    x = 101,769.33

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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.