Home / 122,782.32-184,172.79-31,597.65

Finding the Fourth Proportional to 122,782.32, 184,172.79 and 31,597.65

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Solution

The fourth proportional to 122,782.32, 184,172.79 and 31,597.65 is: 47,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,782.32 : 184,172.79 = 31,597.65 : x
  2. Step 2: Convert to fraction form
    122,782.32/184,172.79 = 31,597.65/x
  3. Step 3: Cross multiply
    122,782.32x = 184,172.79 × 31,597.65
  4. Step 4: Simplify right side
    122,782.32x = 5,819,427,357.94
  5. Step 5: Solve for x
    x = 5,819,427,357.94/122,782.32
  6. Step 6: Final answer
    x = 47,396.30

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1.5x scale

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.