Home / 140,387.64-193,246.74-122,451.41

Finding the Fourth Proportional to 140,387.64, 193,246.74 and 122,451.41

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Solution

The fourth proportional to 140,387.64, 193,246.74 and 122,451.41 is: 168,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,387.64 : 193,246.74 = 122,451.41 : x
  2. Step 2: Convert to fraction form
    140,387.64/193,246.74 = 122,451.41/x
  3. Step 3: Cross multiply
    140,387.64x = 193,246.74 × 122,451.41
  4. Step 4: Simplify right side
    140,387.64x = 23,663,334,824.67
  5. Step 5: Solve for x
    x = 23,663,334,824.67/140,387.64
  6. Step 6: Final answer
    x = 168,557.11

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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.