Home / 147,494.35-203,542.14-80,426.35

Finding the Fourth Proportional to 147,494.35, 203,542.14 and 80,426.35

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Solution

The fourth proportional to 147,494.35, 203,542.14 and 80,426.35 is: 110,988.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,494.35 : 203,542.14 = 80,426.35 : x
  2. Step 2: Convert to fraction form
    147,494.35/203,542.14 = 80,426.35/x
  3. Step 3: Cross multiply
    147,494.35x = 203,542.14 × 80,426.35
  4. Step 4: Simplify right side
    147,494.35x = 16,370,151,391.39
  5. Step 5: Solve for x
    x = 16,370,151,391.39/147,494.35
  6. Step 6: Final answer
    x = 110,988.33

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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.