Home / 221,746.86-332,615.59-71,986.93

Finding the Fourth Proportional to 221,746.86, 332,615.59 and 71,986.93

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Solution

The fourth proportional to 221,746.86, 332,615.59 and 71,986.93 is: 107,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,746.86 : 332,615.59 = 71,986.93 : x
  2. Step 2: Convert to fraction form
    221,746.86/332,615.59 = 71,986.93/x
  3. Step 3: Cross multiply
    221,746.86x = 332,615.59 × 71,986.93
  4. Step 4: Simplify right side
    221,746.86x = 23,943,974,182.73
  5. Step 5: Solve for x
    x = 23,943,974,182.73/221,746.86
  6. Step 6: Final answer
    x = 107,978.86

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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.