Home / 255,961.17-383,777.72-106,304.76

Finding the Fourth Proportional to 255,961.17, 383,777.72 and 106,304.76

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Solution

The fourth proportional to 255,961.17, 383,777.72 and 106,304.76 is: 159,389.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,961.17 : 383,777.72 = 106,304.76 : x
  2. Step 2: Convert to fraction form
    255,961.17/383,777.72 = 106,304.76/x
  3. Step 3: Cross multiply
    255,961.17x = 383,777.72 × 106,304.76
  4. Step 4: Simplify right side
    255,961.17x = 40,797,398,417.95
  5. Step 5: Solve for x
    x = 40,797,398,417.95/255,961.17
  6. Step 6: Final answer
    x = 159,389.01

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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.