Home / 248,450.66-342,870.26-139,574.10

Finding the Fourth Proportional to 248,450.66, 342,870.26 and 139,574.10

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Solution

The fourth proportional to 248,450.66, 342,870.26 and 139,574.10 is: 192,616.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,450.66 : 342,870.26 = 139,574.10 : x
  2. Step 2: Convert to fraction form
    248,450.66/342,870.26 = 139,574.10/x
  3. Step 3: Cross multiply
    248,450.66x = 342,870.26 × 139,574.10
  4. Step 4: Simplify right side
    248,450.66x = 47,855,807,956.27
  5. Step 5: Solve for x
    x = 47,855,807,956.27/248,450.66
  6. Step 6: Final answer
    x = 192,616.95

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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.