Home / 146,288.50-219,289.95-71,405.62

Finding the Fourth Proportional to 146,288.50, 219,289.95 and 71,405.62

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Solution

The fourth proportional to 146,288.50, 219,289.95 and 71,405.62 is: 107,038.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,288.50 : 219,289.95 = 71,405.62 : x
  2. Step 2: Convert to fraction form
    146,288.50/219,289.95 = 71,405.62/x
  3. Step 3: Cross multiply
    146,288.50x = 219,289.95 × 71,405.62
  4. Step 4: Simplify right side
    146,288.50x = 15,658,534,291.29
  5. Step 5: Solve for x
    x = 15,658,534,291.29/146,288.50
  6. Step 6: Final answer
    x = 107,038.73

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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.