Home / 146,289.50-219,291.45-71,406.62

Finding the Fourth Proportional to 146,289.50, 219,291.45 and 71,406.62

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Solution

The fourth proportional to 146,289.50, 219,291.45 and 71,406.62 is: 107,040.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,289.50 : 219,291.45 = 71,406.62 : x
  2. Step 2: Convert to fraction form
    146,289.50/219,291.45 = 71,406.62/x
  3. Step 3: Cross multiply
    146,289.50x = 219,291.45 × 71,406.62
  4. Step 4: Simplify right side
    146,289.50x = 15,658,861,239.40
  5. Step 5: Solve for x
    x = 15,658,861,239.40/146,289.50
  6. Step 6: Final answer
    x = 107,040.23

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1.5x scale

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.