Home / 104,949.40-157,424.10-42,664.60

Finding the Fourth Proportional to 104,949.40, 157,424.10 and 42,664.60

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Solution

The fourth proportional to 104,949.40, 157,424.10 and 42,664.60 is: 63,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,949.40 : 157,424.10 = 42,664.60 : x
  2. Step 2: Convert to fraction form
    104,949.40/157,424.10 = 42,664.60/x
  3. Step 3: Cross multiply
    104,949.40x = 157,424.10 × 42,664.60
  4. Step 4: Simplify right side
    104,949.40x = 6,716,436,256.86
  5. Step 5: Solve for x
    x = 6,716,436,256.86/104,949.40
  6. Step 6: Final answer
    x = 63,996.90

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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.