Home / 248,795.74-343,320.96-139,916.35

Finding the Fourth Proportional to 248,795.74, 343,320.96 and 139,916.35

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Solution

The fourth proportional to 248,795.74, 343,320.96 and 139,916.35 is: 193,074.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,795.74 : 343,320.96 = 139,916.35 : x
  2. Step 2: Convert to fraction form
    248,795.74/343,320.96 = 139,916.35/x
  3. Step 3: Cross multiply
    248,795.74x = 343,320.96 × 139,916.35
  4. Step 4: Simplify right side
    248,795.74x = 48,036,215,601.70
  5. Step 5: Solve for x
    x = 48,036,215,601.70/248,795.74
  6. Step 6: Final answer
    x = 193,074.91

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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.