Home / 165,730.60-248,450.10-99,197.20

Finding the Fourth Proportional to 165,730.60, 248,450.10 and 99,197.20

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Solution

The fourth proportional to 165,730.60, 248,450.10 and 99,197.20 is: 148,708.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,730.60 : 248,450.10 = 99,197.20 : x
  2. Step 2: Convert to fraction form
    165,730.60/248,450.10 = 99,197.20/x
  3. Step 3: Cross multiply
    165,730.60x = 248,450.10 × 99,197.20
  4. Step 4: Simplify right side
    165,730.60x = 24,645,554,259.72
  5. Step 5: Solve for x
    x = 24,645,554,259.72/165,730.60
  6. Step 6: Final answer
    x = 148,708.53

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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.