Home / 104,185.14-143,775.32-56,439.69

Finding the Fourth Proportional to 104,185.14, 143,775.32 and 56,439.69

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Solution

The fourth proportional to 104,185.14, 143,775.32 and 56,439.69 is: 77,886.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,185.14 : 143,775.32 = 56,439.69 : x
  2. Step 2: Convert to fraction form
    104,185.14/143,775.32 = 56,439.69/x
  3. Step 3: Cross multiply
    104,185.14x = 143,775.32 × 56,439.69
  4. Step 4: Simplify right side
    104,185.14x = 8,114,634,208.25
  5. Step 5: Solve for x
    x = 8,114,634,208.25/104,185.14
  6. Step 6: Final answer
    x = 77,886.68

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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.