Home / 221,939.18-332,809.95-64,130.12

Finding the Fourth Proportional to 221,939.18, 332,809.95 and 64,130.12

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Solution

The fourth proportional to 221,939.18, 332,809.95 and 64,130.12 is: 96,166.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,939.18 : 332,809.95 = 64,130.12 : x
  2. Step 2: Convert to fraction form
    221,939.18/332,809.95 = 64,130.12/x
  3. Step 3: Cross multiply
    221,939.18x = 332,809.95 × 64,130.12
  4. Step 4: Simplify right side
    221,939.18x = 21,343,142,030.69
  5. Step 5: Solve for x
    x = 21,343,142,030.69/221,939.18
  6. Step 6: Final answer
    x = 96,166.63

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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.