Home / 165,741.40-248,612.10-149,152.60

Finding the Fourth Proportional to 165,741.40, 248,612.10 and 149,152.60

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Solution

The fourth proportional to 165,741.40, 248,612.10 and 149,152.60 is: 223,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,741.40 : 248,612.10 = 149,152.60 : x
  2. Step 2: Convert to fraction form
    165,741.40/248,612.10 = 149,152.60/x
  3. Step 3: Cross multiply
    165,741.40x = 248,612.10 × 149,152.60
  4. Step 4: Simplify right side
    165,741.40x = 37,081,141,106.46
  5. Step 5: Solve for x
    x = 37,081,141,106.46/165,741.40
  6. Step 6: Final answer
    x = 223,728.90

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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.