Home / 248,916.63-373,651.91-128,941.57

Finding the Fourth Proportional to 248,916.63, 373,651.91 and 128,941.57

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Solution

The fourth proportional to 248,916.63, 373,651.91 and 128,941.57 is: 193,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,916.63 : 373,651.91 = 128,941.57 : x
  2. Step 2: Convert to fraction form
    248,916.63/373,651.91 = 128,941.57/x
  3. Step 3: Cross multiply
    248,916.63x = 373,651.91 × 128,941.57
  4. Step 4: Simplify right side
    248,916.63x = 48,179,263,297.12
  5. Step 5: Solve for x
    x = 48,179,263,297.12/248,916.63
  6. Step 6: Final answer
    x = 193,555.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.