Home / 145,945.49-201,396.95-82,279.18

Finding the Fourth Proportional to 145,945.49, 201,396.95 and 82,279.18

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Solution

The fourth proportional to 145,945.49, 201,396.95 and 82,279.18 is: 113,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,945.49 : 201,396.95 = 82,279.18 : x
  2. Step 2: Convert to fraction form
    145,945.49/201,396.95 = 82,279.18/x
  3. Step 3: Cross multiply
    145,945.49x = 201,396.95 × 82,279.18
  4. Step 4: Simplify right side
    145,945.49x = 16,570,775,900.50
  5. Step 5: Solve for x
    x = 16,570,775,900.50/145,945.49
  6. Step 6: Final answer
    x = 113,540.86

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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.