Home / 125,927.72-189,153.90-106,244.84

Finding the Fourth Proportional to 125,927.72, 189,153.90 and 106,244.84

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Solution

The fourth proportional to 125,927.72, 189,153.90 and 106,244.84 is: 159,588.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,927.72 : 189,153.90 = 106,244.84 : x
  2. Step 2: Convert to fraction form
    125,927.72/189,153.90 = 106,244.84/x
  3. Step 3: Cross multiply
    125,927.72x = 189,153.90 × 106,244.84
  4. Step 4: Simplify right side
    125,927.72x = 20,096,625,840.88
  5. Step 5: Solve for x
    x = 20,096,625,840.88/125,927.72
  6. Step 6: Final answer
    x = 159,588.58

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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.