Home / 122,094.72-182,904.48-90,015.36

Finding the Fourth Proportional to 122,094.72, 182,904.48 and 90,015.36

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Solution

The fourth proportional to 122,094.72, 182,904.48 and 90,015.36 is: 134,847.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,094.72 : 182,904.48 = 90,015.36 : x
  2. Step 2: Convert to fraction form
    122,094.72/182,904.48 = 90,015.36/x
  3. Step 3: Cross multiply
    122,094.72x = 182,904.48 × 90,015.36
  4. Step 4: Simplify right side
    122,094.72x = 16,464,212,612.81
  5. Step 5: Solve for x
    x = 16,464,212,612.81/122,094.72
  6. Step 6: Final answer
    x = 134,847.87

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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.