Home / 164,918.32-227,587.86-89,467.36

Finding the Fourth Proportional to 164,918.32, 227,587.86 and 89,467.36

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Solution

The fourth proportional to 164,918.32, 227,587.86 and 89,467.36 is: 123,465.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,918.32 : 227,587.86 = 89,467.36 : x
  2. Step 2: Convert to fraction form
    164,918.32/227,587.86 = 89,467.36/x
  3. Step 3: Cross multiply
    164,918.32x = 227,587.86 × 89,467.36
  4. Step 4: Simplify right side
    164,918.32x = 20,361,685,002.25
  5. Step 5: Solve for x
    x = 20,361,685,002.25/164,918.32
  6. Step 6: Final answer
    x = 123,465.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.