Home / 104,180.90-143,770.33-56,434.25

Finding the Fourth Proportional to 104,180.90, 143,770.33 and 56,434.25

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Solution

The fourth proportional to 104,180.90, 143,770.33 and 56,434.25 is: 77,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,180.90 : 143,770.33 = 56,434.25 : x
  2. Step 2: Convert to fraction form
    104,180.90/143,770.33 = 56,434.25/x
  3. Step 3: Cross multiply
    104,180.90x = 143,770.33 × 56,434.25
  4. Step 4: Simplify right side
    104,180.90x = 8,113,570,745.80
  5. Step 5: Solve for x
    x = 8,113,570,745.80/104,180.90
  6. Step 6: Final answer
    x = 77,879.64

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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.