Home / 161,826.21-223,415.85-143,871.52

Finding the Fourth Proportional to 161,826.21, 223,415.85 and 143,871.52

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Solution

The fourth proportional to 161,826.21, 223,415.85 and 143,871.52 is: 198,627.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,826.21 : 223,415.85 = 143,871.52 : x
  2. Step 2: Convert to fraction form
    161,826.21/223,415.85 = 143,871.52/x
  3. Step 3: Cross multiply
    161,826.21x = 223,415.85 × 143,871.52
  4. Step 4: Simplify right side
    161,826.21x = 32,143,177,931.59
  5. Step 5: Solve for x
    x = 32,143,177,931.59/161,826.21
  6. Step 6: Final answer
    x = 198,627.76

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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.