Home / 103,433.56-142,738.40-58,111.56

Finding the Fourth Proportional to 103,433.56, 142,738.40 and 58,111.56

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Solution

The fourth proportional to 103,433.56, 142,738.40 and 58,111.56 is: 80,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,433.56 : 142,738.40 = 58,111.56 : x
  2. Step 2: Convert to fraction form
    103,433.56/142,738.40 = 58,111.56/x
  3. Step 3: Cross multiply
    103,433.56x = 142,738.40 × 58,111.56
  4. Step 4: Simplify right side
    103,433.56x = 8,294,751,241.18
  5. Step 5: Solve for x
    x = 8,294,751,241.18/103,433.56
  6. Step 6: Final answer
    x = 80,194.01

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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.