Home / 130,273.86-195,196.14-119,379.36

Finding the Fourth Proportional to 130,273.86, 195,196.14 and 119,379.36

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Solution

The fourth proportional to 130,273.86, 195,196.14 and 119,379.36 is: 178,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,273.86 : 195,196.14 = 119,379.36 : x
  2. Step 2: Convert to fraction form
    130,273.86/195,196.14 = 119,379.36/x
  3. Step 3: Cross multiply
    130,273.86x = 195,196.14 × 119,379.36
  4. Step 4: Simplify right side
    130,273.86x = 23,302,390,267.67
  5. Step 5: Solve for x
    x = 23,302,390,267.67/130,273.86
  6. Step 6: Final answer
    x = 178,872.34

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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.