Home / 102,947.34-142,069.23-58,235.34

Finding the Fourth Proportional to 102,947.34, 142,069.23 and 58,235.34

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Solution

The fourth proportional to 102,947.34, 142,069.23 and 58,235.34 is: 80,365.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,947.34 : 142,069.23 = 58,235.34 : x
  2. Step 2: Convert to fraction form
    102,947.34/142,069.23 = 58,235.34/x
  3. Step 3: Cross multiply
    102,947.34x = 142,069.23 × 58,235.34
  4. Step 4: Simplify right side
    102,947.34x = 8,273,449,912.59
  5. Step 5: Solve for x
    x = 8,273,449,912.59/102,947.34
  6. Step 6: Final answer
    x = 80,365.84

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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.