Home / 164,480.16-226,982.40-89,028.60

Finding the Fourth Proportional to 164,480.16, 226,982.40 and 89,028.60

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Solution

The fourth proportional to 164,480.16, 226,982.40 and 89,028.60 is: 122,859.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,480.16 : 226,982.40 = 89,028.60 : x
  2. Step 2: Convert to fraction form
    164,480.16/226,982.40 = 89,028.60/x
  3. Step 3: Cross multiply
    164,480.16x = 226,982.40 × 89,028.60
  4. Step 4: Simplify right side
    164,480.16x = 20,207,925,296.64
  5. Step 5: Solve for x
    x = 20,207,925,296.64/164,480.16
  6. Step 6: Final answer
    x = 122,859.35

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1.5x scale

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.