Home / 165,623.80-248,435.70-115,598.20

Finding the Fourth Proportional to 165,623.80, 248,435.70 and 115,598.20

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Solution

The fourth proportional to 165,623.80, 248,435.70 and 115,598.20 is: 173,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,623.80 : 248,435.70 = 115,598.20 : x
  2. Step 2: Convert to fraction form
    165,623.80/248,435.70 = 115,598.20/x
  3. Step 3: Cross multiply
    165,623.80x = 248,435.70 × 115,598.20
  4. Step 4: Simplify right side
    165,623.80x = 28,718,719,735.74
  5. Step 5: Solve for x
    x = 28,718,719,735.74/165,623.80
  6. Step 6: Final answer
    x = 173,397.30

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1.5x scale

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.