Home / 146,643.24-202,365.90-82,979.40

Finding the Fourth Proportional to 146,643.24, 202,365.90 and 82,979.40

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Solution

The fourth proportional to 146,643.24, 202,365.90 and 82,979.40 is: 114,510.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,643.24 : 202,365.90 = 82,979.40 : x
  2. Step 2: Convert to fraction form
    146,643.24/202,365.90 = 82,979.40/x
  3. Step 3: Cross multiply
    146,643.24x = 202,365.90 × 82,979.40
  4. Step 4: Simplify right side
    146,643.24x = 16,792,200,962.46
  5. Step 5: Solve for x
    x = 16,792,200,962.46/146,643.24
  6. Step 6: Final answer
    x = 114,510.57

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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.