Home / 104,602.21-144,344.94-56,855.14

Finding the Fourth Proportional to 104,602.21, 144,344.94 and 56,855.14

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Solution

The fourth proportional to 104,602.21, 144,344.94 and 56,855.14 is: 78,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,602.21 : 144,344.94 = 56,855.14 : x
  2. Step 2: Convert to fraction form
    104,602.21/144,344.94 = 56,855.14/x
  3. Step 3: Cross multiply
    104,602.21x = 144,344.94 × 56,855.14
  4. Step 4: Simplify right side
    104,602.21x = 8,206,751,771.99
  5. Step 5: Solve for x
    x = 8,206,751,771.99/104,602.21
  6. Step 6: Final answer
    x = 78,456.77

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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.