Home / 106,881.40-160,322.10-28,003.60

Finding the Fourth Proportional to 106,881.40, 160,322.10 and 28,003.60

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Solution

The fourth proportional to 106,881.40, 160,322.10 and 28,003.60 is: 42,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,881.40 : 160,322.10 = 28,003.60 : x
  2. Step 2: Convert to fraction form
    106,881.40/160,322.10 = 28,003.60/x
  3. Step 3: Cross multiply
    106,881.40x = 160,322.10 × 28,003.60
  4. Step 4: Simplify right side
    106,881.40x = 4,489,595,959.56
  5. Step 5: Solve for x
    x = 4,489,595,959.56/106,881.40
  6. Step 6: Final answer
    x = 42,005.40

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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.