Home / 104,214.36-143,815.62-56,469

Finding the Fourth Proportional to 104,214.36, 143,815.62 and 56,469

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Solution

The fourth proportional to 104,214.36, 143,815.62 and 56,469 is: 77,927.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,214.36 : 143,815.62 = 56,469 : x
  2. Step 2: Convert to fraction form
    104,214.36/143,815.62 = 56,469/x
  3. Step 3: Cross multiply
    104,214.36x = 143,815.62 × 56,469
  4. Step 4: Simplify right side
    104,214.36x = 8,121,124,245.78
  5. Step 5: Solve for x
    x = 8,121,124,245.78/104,214.36
  6. Step 6: Final answer
    x = 77,927.11

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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.