Home / 146,194.70-201,746.50-81,664.84

Finding the Fourth Proportional to 146,194.70, 201,746.50 and 81,664.84

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Solution

The fourth proportional to 146,194.70, 201,746.50 and 81,664.84 is: 112,696.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,194.70 : 201,746.50 = 81,664.84 : x
  2. Step 2: Convert to fraction form
    146,194.70/201,746.50 = 81,664.84/x
  3. Step 3: Cross multiply
    146,194.70x = 201,746.50 × 81,664.84
  4. Step 4: Simplify right side
    146,194.70x = 16,475,595,643.06
  5. Step 5: Solve for x
    x = 16,475,595,643.06/146,194.70
  6. Step 6: Final answer
    x = 112,696.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.