Home / 104,180.33-143,768.34-56,433.75

Finding the Fourth Proportional to 104,180.33, 143,768.34 and 56,433.75

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Solution

The fourth proportional to 104,180.33, 143,768.34 and 56,433.75 is: 77,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,180.33 : 143,768.34 = 56,433.75 : x
  2. Step 2: Convert to fraction form
    104,180.33/143,768.34 = 56,433.75/x
  3. Step 3: Cross multiply
    104,180.33x = 143,768.34 × 56,433.75
  4. Step 4: Simplify right side
    104,180.33x = 8,113,386,557.48
  5. Step 5: Solve for x
    x = 8,113,386,557.48/104,180.33
  6. Step 6: Final answer
    x = 77,878.30

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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.