Home / 146,685.06-202,438.31-82,153.31

Finding the Fourth Proportional to 146,685.06, 202,438.31 and 82,153.31

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Solution

The fourth proportional to 146,685.06, 202,438.31 and 82,153.31 is: 113,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,685.06 : 202,438.31 = 82,153.31 : x
  2. Step 2: Convert to fraction form
    146,685.06/202,438.31 = 82,153.31/x
  3. Step 3: Cross multiply
    146,685.06x = 202,438.31 × 82,153.31
  4. Step 4: Simplify right side
    146,685.06x = 16,630,975,814.35
  5. Step 5: Solve for x
    x = 16,630,975,814.35/146,685.06
  6. Step 6: Final answer
    x = 113,378.80

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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.