Home / 165,114.72-247,673.16-40,455.72

Finding the Fourth Proportional to 165,114.72, 247,673.16 and 40,455.72

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Solution

The fourth proportional to 165,114.72, 247,673.16 and 40,455.72 is: 60,683.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,114.72 : 247,673.16 = 40,455.72 : x
  2. Step 2: Convert to fraction form
    165,114.72/247,673.16 = 40,455.72/x
  3. Step 3: Cross multiply
    165,114.72x = 247,673.16 × 40,455.72
  4. Step 4: Simplify right side
    165,114.72x = 10,019,796,012.48
  5. Step 5: Solve for x
    x = 10,019,796,012.48/165,114.72
  6. Step 6: Final answer
    x = 60,683.84

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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.