Home / 134,245.40-201,392.38-55,315.72

Finding the Fourth Proportional to 134,245.40, 201,392.38 and 55,315.72

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Solution

The fourth proportional to 134,245.40, 201,392.38 and 55,315.72 is: 82,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,245.40 : 201,392.38 = 55,315.72 : x
  2. Step 2: Convert to fraction form
    134,245.40/201,392.38 = 55,315.72/x
  3. Step 3: Cross multiply
    134,245.40x = 201,392.38 × 55,315.72
  4. Step 4: Simplify right side
    134,245.40x = 11,140,164,502.21
  5. Step 5: Solve for x
    x = 11,140,164,502.21/134,245.40
  6. Step 6: Final answer
    x = 82,983.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.