Home / 146,014.60-219,021.90-76,030.60

Finding the Fourth Proportional to 146,014.60, 219,021.90 and 76,030.60

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Solution

The fourth proportional to 146,014.60, 219,021.90 and 76,030.60 is: 114,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,014.60 : 219,021.90 = 76,030.60 : x
  2. Step 2: Convert to fraction form
    146,014.60/219,021.90 = 76,030.60/x
  3. Step 3: Cross multiply
    146,014.60x = 219,021.90 × 76,030.60
  4. Step 4: Simplify right side
    146,014.60x = 16,652,366,470.14
  5. Step 5: Solve for x
    x = 16,652,366,470.14/146,014.60
  6. Step 6: Final answer
    x = 114,045.90

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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.