Home / 146,364.75-201,983.70-81,836.31

Finding the Fourth Proportional to 146,364.75, 201,983.70 and 81,836.31

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Solution

The fourth proportional to 146,364.75, 201,983.70 and 81,836.31 is: 112,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,364.75 : 201,983.70 = 81,836.31 : x
  2. Step 2: Convert to fraction form
    146,364.75/201,983.70 = 81,836.31/x
  3. Step 3: Cross multiply
    146,364.75x = 201,983.70 × 81,836.31
  4. Step 4: Simplify right side
    146,364.75x = 16,529,600,688.15
  5. Step 5: Solve for x
    x = 16,529,600,688.15/146,364.75
  6. Step 6: Final answer
    x = 112,934.30

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1.5x scale

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.