Home / 109,578.60-164,246.40-42,996.60

Finding the Fourth Proportional to 109,578.60, 164,246.40 and 42,996.60

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Solution

The fourth proportional to 109,578.60, 164,246.40 and 42,996.60 is: 64,447.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,578.60 : 164,246.40 = 42,996.60 : x
  2. Step 2: Convert to fraction form
    109,578.60/164,246.40 = 42,996.60/x
  3. Step 3: Cross multiply
    109,578.60x = 164,246.40 × 42,996.60
  4. Step 4: Simplify right side
    109,578.60x = 7,062,036,762.24
  5. Step 5: Solve for x
    x = 7,062,036,762.24/109,578.60
  6. Step 6: Final answer
    x = 64,447.23

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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.