Home / 236,146.33-354,137.48-78,337.88

Finding the Fourth Proportional to 236,146.33, 354,137.48 and 78,337.88

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Solution

The fourth proportional to 236,146.33, 354,137.48 and 78,337.88 is: 117,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,146.33 : 354,137.48 = 78,337.88 : x
  2. Step 2: Convert to fraction form
    236,146.33/354,137.48 = 78,337.88/x
  3. Step 3: Cross multiply
    236,146.33x = 354,137.48 × 78,337.88
  4. Step 4: Simplify right side
    236,146.33x = 27,742,377,249.37
  5. Step 5: Solve for x
    x = 27,742,377,249.37/236,146.33
  6. Step 6: Final answer
    x = 117,479.60

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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.