Home / 155,421.39-233,132.09-102,818.57

Finding the Fourth Proportional to 155,421.39, 233,132.09 and 102,818.57

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Solution

The fourth proportional to 155,421.39, 233,132.09 and 102,818.57 is: 154,227.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,421.39 : 233,132.09 = 102,818.57 : x
  2. Step 2: Convert to fraction form
    155,421.39/233,132.09 = 102,818.57/x
  3. Step 3: Cross multiply
    155,421.39x = 233,132.09 × 102,818.57
  4. Step 4: Simplify right side
    155,421.39x = 23,970,308,183.65
  5. Step 5: Solve for x
    x = 23,970,308,183.65/155,421.39
  6. Step 6: Final answer
    x = 154,227.86

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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.