Home / 201,429.12-302,143.77-51,669.41

Finding the Fourth Proportional to 201,429.12, 302,143.77 and 51,669.41

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Solution

The fourth proportional to 201,429.12, 302,143.77 and 51,669.41 is: 77,504.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,429.12 : 302,143.77 = 51,669.41 : x
  2. Step 2: Convert to fraction form
    201,429.12/302,143.77 = 51,669.41/x
  3. Step 3: Cross multiply
    201,429.12x = 302,143.77 × 51,669.41
  4. Step 4: Simplify right side
    201,429.12x = 15,611,590,331.08
  5. Step 5: Solve for x
    x = 15,611,590,331.08/201,429.12
  6. Step 6: Final answer
    x = 77,504.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.