Home / 109,968.20-164,919.90-43,386.20

Finding the Fourth Proportional to 109,968.20, 164,919.90 and 43,386.20

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Solution

The fourth proportional to 109,968.20, 164,919.90 and 43,386.20 is: 65,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,968.20 : 164,919.90 = 43,386.20 : x
  2. Step 2: Convert to fraction form
    109,968.20/164,919.90 = 43,386.20/x
  3. Step 3: Cross multiply
    109,968.20x = 164,919.90 × 43,386.20
  4. Step 4: Simplify right side
    109,968.20x = 7,155,247,765.38
  5. Step 5: Solve for x
    x = 7,155,247,765.38/109,968.20
  6. Step 6: Final answer
    x = 65,066.52

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1.5x scale

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.