Home / 248,128.58-342,416.49-134,953.22

Finding the Fourth Proportional to 248,128.58, 342,416.49 and 134,953.22

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Solution

The fourth proportional to 248,128.58, 342,416.49 and 134,953.22 is: 186,234.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,128.58 : 342,416.49 = 134,953.22 : x
  2. Step 2: Convert to fraction form
    248,128.58/342,416.49 = 134,953.22/x
  3. Step 3: Cross multiply
    248,128.58x = 342,416.49 × 134,953.22
  4. Step 4: Simplify right side
    248,128.58x = 46,210,207,906.60
  5. Step 5: Solve for x
    x = 46,210,207,906.60/248,128.58
  6. Step 6: Final answer
    x = 186,234.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.