Home / 221,943.52-332,931.48-64,172.80

Finding the Fourth Proportional to 221,943.52, 332,931.48 and 64,172.80

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Solution

The fourth proportional to 221,943.52, 332,931.48 and 64,172.80 is: 96,263.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,943.52 : 332,931.48 = 64,172.80 : x
  2. Step 2: Convert to fraction form
    221,943.52/332,931.48 = 64,172.80/x
  3. Step 3: Cross multiply
    221,943.52x = 332,931.48 × 64,172.80
  4. Step 4: Simplify right side
    221,943.52x = 21,365,145,279.74
  5. Step 5: Solve for x
    x = 21,365,145,279.74/221,943.52
  6. Step 6: Final answer
    x = 96,263.88

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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.