Home / 164,021.58-245,876.85-80,818.38

Finding the Fourth Proportional to 164,021.58, 245,876.85 and 80,818.38

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Solution

The fourth proportional to 164,021.58, 245,876.85 and 80,818.38 is: 121,150.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,021.58 : 245,876.85 = 80,818.38 : x
  2. Step 2: Convert to fraction form
    164,021.58/245,876.85 = 80,818.38/x
  3. Step 3: Cross multiply
    164,021.58x = 245,876.85 × 80,818.38
  4. Step 4: Simplify right side
    164,021.58x = 19,871,368,696.50
  5. Step 5: Solve for x
    x = 19,871,368,696.50/164,021.58
  6. Step 6: Final answer
    x = 121,150.94

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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.