Home / 146,033.16-201,525.75-78,965.16

Finding the Fourth Proportional to 146,033.16, 201,525.75 and 78,965.16

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Solution

The fourth proportional to 146,033.16, 201,525.75 and 78,965.16 is: 108,971.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,033.16 : 201,525.75 = 78,965.16 : x
  2. Step 2: Convert to fraction form
    146,033.16/201,525.75 = 78,965.16/x
  3. Step 3: Cross multiply
    146,033.16x = 201,525.75 × 78,965.16
  4. Step 4: Simplify right side
    146,033.16x = 15,913,513,092.87
  5. Step 5: Solve for x
    x = 15,913,513,092.87/146,033.16
  6. Step 6: Final answer
    x = 108,971.91

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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.