Home / 248,320.54-342,718.46-139,437.10

Finding the Fourth Proportional to 248,320.54, 342,718.46 and 139,437.10

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Solution

The fourth proportional to 248,320.54, 342,718.46 and 139,437.10 is: 192,443.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,320.54 : 342,718.46 = 139,437.10 : x
  2. Step 2: Convert to fraction form
    248,320.54/342,718.46 = 139,437.10/x
  3. Step 3: Cross multiply
    248,320.54x = 342,718.46 × 139,437.10
  4. Step 4: Simplify right side
    248,320.54x = 47,787,668,178.87
  5. Step 5: Solve for x
    x = 47,787,668,178.87/248,320.54
  6. Step 6: Final answer
    x = 192,443.48

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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.