Home / 248,319.54-342,717.08-139,436.10

Finding the Fourth Proportional to 248,319.54, 342,717.08 and 139,436.10

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Solution

The fourth proportional to 248,319.54, 342,717.08 and 139,436.10 is: 192,442.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,319.54 : 342,717.08 = 139,436.10 : x
  2. Step 2: Convert to fraction form
    248,319.54/342,717.08 = 139,436.10/x
  3. Step 3: Cross multiply
    248,319.54x = 342,717.08 × 139,436.10
  4. Step 4: Simplify right side
    248,319.54x = 47,787,132,341.41
  5. Step 5: Solve for x
    x = 47,787,132,341.41/248,319.54
  6. Step 6: Final answer
    x = 192,442.09

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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.