Home / 255,416.37-382,993.38-137,187.15

Finding the Fourth Proportional to 255,416.37, 382,993.38 and 137,187.15

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Solution

The fourth proportional to 255,416.37, 382,993.38 and 137,187.15 is: 205,710.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,416.37 : 382,993.38 = 137,187.15 : x
  2. Step 2: Convert to fraction form
    255,416.37/382,993.38 = 137,187.15/x
  3. Step 3: Cross multiply
    255,416.37x = 382,993.38 × 137,187.15
  4. Step 4: Simplify right side
    255,416.37x = 52,541,770,271.07
  5. Step 5: Solve for x
    x = 52,541,770,271.07/255,416.37
  6. Step 6: Final answer
    x = 205,710.27

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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.