Home / 122,159.48-184,071.40-100,458.96

Finding the Fourth Proportional to 122,159.48, 184,071.40 and 100,458.96

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Solution

The fourth proportional to 122,159.48, 184,071.40 and 100,458.96 is: 151,372.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,159.48 : 184,071.40 = 100,458.96 : x
  2. Step 2: Convert to fraction form
    122,159.48/184,071.40 = 100,458.96/x
  3. Step 3: Cross multiply
    122,159.48x = 184,071.40 × 100,458.96
  4. Step 4: Simplify right side
    122,159.48x = 18,491,621,409.74
  5. Step 5: Solve for x
    x = 18,491,621,409.74/122,159.48
  6. Step 6: Final answer
    x = 151,372.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.