Home / 145,525.53-200,824.92-81,863.33

Finding the Fourth Proportional to 145,525.53, 200,824.92 and 81,863.33

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Solution

The fourth proportional to 145,525.53, 200,824.92 and 81,863.33 is: 112,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,525.53 : 200,824.92 = 81,863.33 : x
  2. Step 2: Convert to fraction form
    145,525.53/200,824.92 = 81,863.33/x
  3. Step 3: Cross multiply
    145,525.53x = 200,824.92 × 81,863.33
  4. Step 4: Simplify right side
    145,525.53x = 16,440,196,293.66
  5. Step 5: Solve for x
    x = 16,440,196,293.66/145,525.53
  6. Step 6: Final answer
    x = 112,971.22

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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.