Home / 104,054.78-143,595.97-56,308.12

Finding the Fourth Proportional to 104,054.78, 143,595.97 and 56,308.12

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Solution

The fourth proportional to 104,054.78, 143,595.97 and 56,308.12 is: 77,705.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,054.78 : 143,595.97 = 56,308.12 : x
  2. Step 2: Convert to fraction form
    104,054.78/143,595.97 = 56,308.12/x
  3. Step 3: Cross multiply
    104,054.78x = 143,595.97 × 56,308.12
  4. Step 4: Simplify right side
    104,054.78x = 8,085,618,610.52
  5. Step 5: Solve for x
    x = 8,085,618,610.52/104,054.78
  6. Step 6: Final answer
    x = 77,705.41

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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.