Home / 146,669.81-202,387.58-82,130.07

Finding the Fourth Proportional to 146,669.81, 202,387.58 and 82,130.07

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Solution

The fourth proportional to 146,669.81, 202,387.58 and 82,130.07 is: 113,330.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,669.81 : 202,387.58 = 82,130.07 : x
  2. Step 2: Convert to fraction form
    146,669.81/202,387.58 = 82,130.07/x
  3. Step 3: Cross multiply
    146,669.81x = 202,387.58 × 82,130.07
  4. Step 4: Simplify right side
    146,669.81x = 16,622,105,558.90
  5. Step 5: Solve for x
    x = 16,622,105,558.90/146,669.81
  6. Step 6: Final answer
    x = 113,330.11

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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.