Home / 166,089.31-249,207.18-87,185.41

Finding the Fourth Proportional to 166,089.31, 249,207.18 and 87,185.41

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Solution

The fourth proportional to 166,089.31, 249,207.18 and 87,185.41 is: 130,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,089.31 : 249,207.18 = 87,185.41 : x
  2. Step 2: Convert to fraction form
    166,089.31/249,207.18 = 87,185.41/x
  3. Step 3: Cross multiply
    166,089.31x = 249,207.18 × 87,185.41
  4. Step 4: Simplify right side
    166,089.31x = 21,727,230,163.24
  5. Step 5: Solve for x
    x = 21,727,230,163.24/166,089.31
  6. Step 6: Final answer
    x = 130,816.55

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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.