Home / 165,741.90-248,612.85-102,756.30

Finding the Fourth Proportional to 165,741.90, 248,612.85 and 102,756.30

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Solution

The fourth proportional to 165,741.90, 248,612.85 and 102,756.30 is: 154,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,741.90 : 248,612.85 = 102,756.30 : x
  2. Step 2: Convert to fraction form
    165,741.90/248,612.85 = 102,756.30/x
  3. Step 3: Cross multiply
    165,741.90x = 248,612.85 × 102,756.30
  4. Step 4: Simplify right side
    165,741.90x = 25,546,536,598.46
  5. Step 5: Solve for x
    x = 25,546,536,598.46/165,741.90
  6. Step 6: Final answer
    x = 154,134.45

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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.