Home / 109,800.36-164,802.60-43,286.40

Finding the Fourth Proportional to 109,800.36, 164,802.60 and 43,286.40

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Solution

The fourth proportional to 109,800.36, 164,802.60 and 43,286.40 is: 64,969.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,800.36 : 164,802.60 = 43,286.40 : x
  2. Step 2: Convert to fraction form
    109,800.36/164,802.60 = 43,286.40/x
  3. Step 3: Cross multiply
    109,800.36x = 164,802.60 × 43,286.40
  4. Step 4: Simplify right side
    109,800.36x = 7,133,711,264.64
  5. Step 5: Solve for x
    x = 7,133,711,264.64/109,800.36
  6. Step 6: Final answer
    x = 64,969.83

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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.