Home / 145,672.43-201,027.22-82,010.68

Finding the Fourth Proportional to 145,672.43, 201,027.22 and 82,010.68

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Solution

The fourth proportional to 145,672.43, 201,027.22 and 82,010.68 is: 113,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,672.43 : 201,027.22 = 82,010.68 : x
  2. Step 2: Convert to fraction form
    145,672.43/201,027.22 = 82,010.68/x
  3. Step 3: Cross multiply
    145,672.43x = 201,027.22 × 82,010.68
  4. Step 4: Simplify right side
    145,672.43x = 16,486,378,303.11
  5. Step 5: Solve for x
    x = 16,486,378,303.11/145,672.43
  6. Step 6: Final answer
    x = 113,174.32

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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.