Home / 165,530.32-248,297.80-47,201.64

Finding the Fourth Proportional to 165,530.32, 248,297.80 and 47,201.64

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Solution

The fourth proportional to 165,530.32, 248,297.80 and 47,201.64 is: 70,803.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,530.32 : 248,297.80 = 47,201.64 : x
  2. Step 2: Convert to fraction form
    165,530.32/248,297.80 = 47,201.64/x
  3. Step 3: Cross multiply
    165,530.32x = 248,297.80 × 47,201.64
  4. Step 4: Simplify right side
    165,530.32x = 11,720,063,368.39
  5. Step 5: Solve for x
    x = 11,720,063,368.39/165,530.32
  6. Step 6: Final answer
    x = 70,803.12

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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.