Home / 165,377.60-248,066.40-164,211.20

Finding the Fourth Proportional to 165,377.60, 248,066.40 and 164,211.20

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Solution

The fourth proportional to 165,377.60, 248,066.40 and 164,211.20 is: 246,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,377.60 : 248,066.40 = 164,211.20 : x
  2. Step 2: Convert to fraction form
    165,377.60/248,066.40 = 164,211.20/x
  3. Step 3: Cross multiply
    165,377.60x = 248,066.40 × 164,211.20
  4. Step 4: Simplify right side
    165,377.60x = 40,735,281,223.68
  5. Step 5: Solve for x
    x = 40,735,281,223.68/165,377.60
  6. Step 6: Final answer
    x = 246,316.80

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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.