Home / 166,199.84-249,377.62-81,914.06

Finding the Fourth Proportional to 166,199.84, 249,377.62 and 81,914.06

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Solution

The fourth proportional to 166,199.84, 249,377.62 and 81,914.06 is: 122,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,199.84 : 249,377.62 = 81,914.06 : x
  2. Step 2: Convert to fraction form
    166,199.84/249,377.62 = 81,914.06/x
  3. Step 3: Cross multiply
    166,199.84x = 249,377.62 × 81,914.06
  4. Step 4: Simplify right side
    166,199.84x = 20,427,532,917.77
  5. Step 5: Solve for x
    x = 20,427,532,917.77/166,199.84
  6. Step 6: Final answer
    x = 122,909.46

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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.