Home / 248,034.22-342,291.63-134,857.78

Finding the Fourth Proportional to 248,034.22, 342,291.63 and 134,857.78

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Solution

The fourth proportional to 248,034.22, 342,291.63 and 134,857.78 is: 186,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,034.22 : 342,291.63 = 134,857.78 : x
  2. Step 2: Convert to fraction form
    248,034.22/342,291.63 = 134,857.78/x
  3. Step 3: Cross multiply
    248,034.22x = 342,291.63 × 134,857.78
  4. Step 4: Simplify right side
    248,034.22x = 46,160,689,334.38
  5. Step 5: Solve for x
    x = 46,160,689,334.38/248,034.22
  6. Step 6: Final answer
    x = 186,106.13

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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.