Home / 142,503.60-196,637.68-82,093.80

Finding the Fourth Proportional to 142,503.60, 196,637.68 and 82,093.80

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Solution

The fourth proportional to 142,503.60, 196,637.68 and 82,093.80 is: 113,279.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,503.60 : 196,637.68 = 82,093.80 : x
  2. Step 2: Convert to fraction form
    142,503.60/196,637.68 = 82,093.80/x
  3. Step 3: Cross multiply
    142,503.60x = 196,637.68 × 82,093.80
  4. Step 4: Simplify right side
    142,503.60x = 16,142,734,374.38
  5. Step 5: Solve for x
    x = 16,142,734,374.38/142,503.60
  6. Step 6: Final answer
    x = 113,279.48

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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.