Home / 122,981.42-184,055.15-75,626.26

Finding the Fourth Proportional to 122,981.42, 184,055.15 and 75,626.26

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Solution

The fourth proportional to 122,981.42, 184,055.15 and 75,626.26 is: 113,182.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,981.42 : 184,055.15 = 75,626.26 : x
  2. Step 2: Convert to fraction form
    122,981.42/184,055.15 = 75,626.26/x
  3. Step 3: Cross multiply
    122,981.42x = 184,055.15 × 75,626.26
  4. Step 4: Simplify right side
    122,981.42x = 13,919,402,628.24
  5. Step 5: Solve for x
    x = 13,919,402,628.24/122,981.42
  6. Step 6: Final answer
    x = 113,182.97

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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.