Home / 130,814.54-196,243.68-51,929.45

Finding the Fourth Proportional to 130,814.54, 196,243.68 and 51,929.45

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Solution

The fourth proportional to 130,814.54, 196,243.68 and 51,929.45 is: 77,902.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,814.54 : 196,243.68 = 51,929.45 : x
  2. Step 2: Convert to fraction form
    130,814.54/196,243.68 = 51,929.45/x
  3. Step 3: Cross multiply
    130,814.54x = 196,243.68 × 51,929.45
  4. Step 4: Simplify right side
    130,814.54x = 10,190,826,368.38
  5. Step 5: Solve for x
    x = 10,190,826,368.38/130,814.54
  6. Step 6: Final answer
    x = 77,902.86

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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.