Home / 255,266.16-383,028.40-105,613.84

Finding the Fourth Proportional to 255,266.16, 383,028.40 and 105,613.84

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Solution

The fourth proportional to 255,266.16, 383,028.40 and 105,613.84 is: 158,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,266.16 : 383,028.40 = 105,613.84 : x
  2. Step 2: Convert to fraction form
    255,266.16/383,028.40 = 105,613.84/x
  3. Step 3: Cross multiply
    255,266.16x = 383,028.40 × 105,613.84
  4. Step 4: Simplify right side
    255,266.16x = 40,453,100,153.06
  5. Step 5: Solve for x
    x = 40,453,100,153.06/255,266.16
  6. Step 6: Final answer
    x = 158,474.20

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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.