Home / 176,415.12-243,474.12-100,962

Finding the Fourth Proportional to 176,415.12, 243,474.12 and 100,962

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Solution

The fourth proportional to 176,415.12, 243,474.12 and 100,962 is: 139,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,415.12 : 243,474.12 = 100,962 : x
  2. Step 2: Convert to fraction form
    176,415.12/243,474.12 = 100,962/x
  3. Step 3: Cross multiply
    176,415.12x = 243,474.12 × 100,962
  4. Step 4: Simplify right side
    176,415.12x = 24,581,634,103.44
  5. Step 5: Solve for x
    x = 24,581,634,103.44/176,415.12
  6. Step 6: Final answer
    x = 139,339.72

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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.