Home / 122,686.12-184,029.21-38,446.27

Finding the Fourth Proportional to 122,686.12, 184,029.21 and 38,446.27

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Solution

The fourth proportional to 122,686.12, 184,029.21 and 38,446.27 is: 57,669.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,686.12 : 184,029.21 = 38,446.27 : x
  2. Step 2: Convert to fraction form
    122,686.12/184,029.21 = 38,446.27/x
  3. Step 3: Cross multiply
    122,686.12x = 184,029.21 × 38,446.27
  4. Step 4: Simplify right side
    122,686.12x = 7,075,236,695.55
  5. Step 5: Solve for x
    x = 7,075,236,695.55/122,686.12
  6. Step 6: Final answer
    x = 57,669.41

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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.