Home / 255,816.65-383,560.86-106,160.24

Finding the Fourth Proportional to 255,816.65, 383,560.86 and 106,160.24

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Solution

The fourth proportional to 255,816.65, 383,560.86 and 106,160.24 is: 159,172.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,816.65 : 383,560.86 = 106,160.24 : x
  2. Step 2: Convert to fraction form
    255,816.65/383,560.86 = 106,160.24/x
  3. Step 3: Cross multiply
    255,816.65x = 383,560.86 × 106,160.24
  4. Step 4: Simplify right side
    255,816.65x = 40,718,912,952.21
  5. Step 5: Solve for x
    x = 40,718,912,952.21/255,816.65
  6. Step 6: Final answer
    x = 159,172.25

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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.