Home / 145,965.72-201,426.57-82,309.44

Finding the Fourth Proportional to 145,965.72, 201,426.57 and 82,309.44

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Solution

The fourth proportional to 145,965.72, 201,426.57 and 82,309.44 is: 113,583.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,965.72 : 201,426.57 = 82,309.44 : x
  2. Step 2: Convert to fraction form
    145,965.72/201,426.57 = 82,309.44/x
  3. Step 3: Cross multiply
    145,965.72x = 201,426.57 × 82,309.44
  4. Step 4: Simplify right side
    145,965.72x = 16,579,308,177.82
  5. Step 5: Solve for x
    x = 16,579,308,177.82/145,965.72
  6. Step 6: Final answer
    x = 113,583.57

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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.