Home / 122,818.95-184,313.03-42,857.37

Finding the Fourth Proportional to 122,818.95, 184,313.03 and 42,857.37

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Solution

The fourth proportional to 122,818.95, 184,313.03 and 42,857.37 is: 64,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,818.95 : 184,313.03 = 42,857.37 : x
  2. Step 2: Convert to fraction form
    122,818.95/184,313.03 = 42,857.37/x
  3. Step 3: Cross multiply
    122,818.95x = 184,313.03 × 42,857.37
  4. Step 4: Simplify right side
    122,818.95x = 7,899,171,508.24
  5. Step 5: Solve for x
    x = 7,899,171,508.24/122,818.95
  6. Step 6: Final answer
    x = 64,315.58

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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.