Home / 103,076.75-142,245.96-58,364.75

Finding the Fourth Proportional to 103,076.75, 142,245.96 and 58,364.75

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Solution

The fourth proportional to 103,076.75, 142,245.96 and 58,364.75 is: 80,543.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,076.75 : 142,245.96 = 58,364.75 : x
  2. Step 2: Convert to fraction form
    103,076.75/142,245.96 = 58,364.75/x
  3. Step 3: Cross multiply
    103,076.75x = 142,245.96 × 58,364.75
  4. Step 4: Simplify right side
    103,076.75x = 8,302,149,893.91
  5. Step 5: Solve for x
    x = 8,302,149,893.91/103,076.75
  6. Step 6: Final answer
    x = 80,543.38

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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.