Home / 165,622.40-248,465.60-70,851.20

Finding the Fourth Proportional to 165,622.40, 248,465.60 and 70,851.20

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Solution

The fourth proportional to 165,622.40, 248,465.60 and 70,851.20 is: 106,290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,622.40 : 248,465.60 = 70,851.20 : x
  2. Step 2: Convert to fraction form
    165,622.40/248,465.60 = 70,851.20/x
  3. Step 3: Cross multiply
    165,622.40x = 248,465.60 × 70,851.20
  4. Step 4: Simplify right side
    165,622.40x = 17,604,085,918.72
  5. Step 5: Solve for x
    x = 17,604,085,918.72/165,622.40
  6. Step 6: Final answer
    x = 106,290.49

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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.