Home / 166,928.21-250,642.45-144,508.05

Finding the Fourth Proportional to 166,928.21, 250,642.45 and 144,508.05

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Solution

The fourth proportional to 166,928.21, 250,642.45 and 144,508.05 is: 216,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,928.21 : 250,642.45 = 144,508.05 : x
  2. Step 2: Convert to fraction form
    166,928.21/250,642.45 = 144,508.05/x
  3. Step 3: Cross multiply
    166,928.21x = 250,642.45 × 144,508.05
  4. Step 4: Simplify right side
    166,928.21x = 36,219,851,877.36
  5. Step 5: Solve for x
    x = 36,219,851,877.36/166,928.21
  6. Step 6: Final answer
    x = 216,978.62

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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.