Home / 166,199.28-249,376.77-81,913.49

Finding the Fourth Proportional to 166,199.28, 249,376.77 and 81,913.49

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Solution

The fourth proportional to 166,199.28, 249,376.77 and 81,913.49 is: 122,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,199.28 : 249,376.77 = 81,913.49 : x
  2. Step 2: Convert to fraction form
    166,199.28/249,376.77 = 81,913.49/x
  3. Step 3: Cross multiply
    166,199.28x = 249,376.77 × 81,913.49
  4. Step 4: Simplify right side
    166,199.28x = 20,427,321,555.63
  5. Step 5: Solve for x
    x = 20,427,321,555.63/166,199.28
  6. Step 6: Final answer
    x = 122,908.60

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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.