Home / 136,787.37-204,803.19-70,083.87

Finding the Fourth Proportional to 136,787.37, 204,803.19 and 70,083.87

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Solution

The fourth proportional to 136,787.37, 204,803.19 and 70,083.87 is: 104,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,787.37 : 204,803.19 = 70,083.87 : x
  2. Step 2: Convert to fraction form
    136,787.37/204,803.19 = 70,083.87/x
  3. Step 3: Cross multiply
    136,787.37x = 204,803.19 × 70,083.87
  4. Step 4: Simplify right side
    136,787.37x = 14,353,400,143.55
  5. Step 5: Solve for x
    x = 14,353,400,143.55/136,787.37
  6. Step 6: Final answer
    x = 104,932.20

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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.