Home / 248,025.69-342,279.09-139,154.10

Finding the Fourth Proportional to 248,025.69, 342,279.09 and 139,154.10

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Solution

The fourth proportional to 248,025.69, 342,279.09 and 139,154.10 is: 192,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,025.69 : 342,279.09 = 139,154.10 : x
  2. Step 2: Convert to fraction form
    248,025.69/342,279.09 = 139,154.10/x
  3. Step 3: Cross multiply
    248,025.69x = 342,279.09 × 139,154.10
  4. Step 4: Simplify right side
    248,025.69x = 47,629,538,717.77
  5. Step 5: Solve for x
    x = 47,629,538,717.77/248,025.69
  6. Step 6: Final answer
    x = 192,034.70

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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.