Home / 104,028.03-143,558.73-56,281.23

Finding the Fourth Proportional to 104,028.03, 143,558.73 and 56,281.23

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Solution

The fourth proportional to 104,028.03, 143,558.73 and 56,281.23 is: 77,668.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,028.03 : 143,558.73 = 56,281.23 : x
  2. Step 2: Convert to fraction form
    104,028.03/143,558.73 = 56,281.23/x
  3. Step 3: Cross multiply
    104,028.03x = 143,558.73 × 56,281.23
  4. Step 4: Simplify right side
    104,028.03x = 8,079,661,901.64
  5. Step 5: Solve for x
    x = 8,079,661,901.64/104,028.03
  6. Step 6: Final answer
    x = 77,668.12

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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.