Home / 103,391.36-142,679.58-58,069.34

Finding the Fourth Proportional to 103,391.36, 142,679.58 and 58,069.34

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Solution

The fourth proportional to 103,391.36, 142,679.58 and 58,069.34 is: 80,135.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,391.36 : 142,679.58 = 58,069.34 : x
  2. Step 2: Convert to fraction form
    103,391.36/142,679.58 = 58,069.34/x
  3. Step 3: Cross multiply
    103,391.36x = 142,679.58 × 58,069.34
  4. Step 4: Simplify right side
    103,391.36x = 8,285,309,042.08
  5. Step 5: Solve for x
    x = 8,285,309,042.08/103,391.36
  6. Step 6: Final answer
    x = 80,135.41

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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.