Home / 109,845.63-164,768.40-104,235.93

Finding the Fourth Proportional to 109,845.63, 164,768.40 and 104,235.93

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Solution

The fourth proportional to 109,845.63, 164,768.40 and 104,235.93 is: 156,353.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,845.63 : 164,768.40 = 104,235.93 : x
  2. Step 2: Convert to fraction form
    109,845.63/164,768.40 = 104,235.93/x
  3. Step 3: Cross multiply
    109,845.63x = 164,768.40 × 104,235.93
  4. Step 4: Simplify right side
    109,845.63x = 17,174,787,408.61
  5. Step 5: Solve for x
    x = 17,174,787,408.61/109,845.63
  6. Step 6: Final answer
    x = 156,353.85

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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.