Home / 140,203.64-193,480.04-76,541.44

Finding the Fourth Proportional to 140,203.64, 193,480.04 and 76,541.44

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Solution

The fourth proportional to 140,203.64, 193,480.04 and 76,541.44 is: 105,626.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,203.64 : 193,480.04 = 76,541.44 : x
  2. Step 2: Convert to fraction form
    140,203.64/193,480.04 = 76,541.44/x
  3. Step 3: Cross multiply
    140,203.64x = 193,480.04 × 76,541.44
  4. Step 4: Simplify right side
    140,203.64x = 14,809,240,872.86
  5. Step 5: Solve for x
    x = 14,809,240,872.86/140,203.64
  6. Step 6: Final answer
    x = 105,626.65

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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.