Home / 195,405.60-293,099.28-81,506.40

Finding the Fourth Proportional to 195,405.60, 293,099.28 and 81,506.40

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Solution

The fourth proportional to 195,405.60, 293,099.28 and 81,506.40 is: 122,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,405.60 : 293,099.28 = 81,506.40 : x
  2. Step 2: Convert to fraction form
    195,405.60/293,099.28 = 81,506.40/x
  3. Step 3: Cross multiply
    195,405.60x = 293,099.28 × 81,506.40
  4. Step 4: Simplify right side
    195,405.60x = 23,889,467,155.39
  5. Step 5: Solve for x
    x = 23,889,467,155.39/195,405.60
  6. Step 6: Final answer
    x = 122,255.80

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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.