Home / 166,429.45-249,540.15-70,317.25

Finding the Fourth Proportional to 166,429.45, 249,540.15 and 70,317.25

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Solution

The fourth proportional to 166,429.45, 249,540.15 and 70,317.25 is: 105,431.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,429.45 : 249,540.15 = 70,317.25 : x
  2. Step 2: Convert to fraction form
    166,429.45/249,540.15 = 70,317.25/x
  3. Step 3: Cross multiply
    166,429.45x = 249,540.15 × 70,317.25
  4. Step 4: Simplify right side
    166,429.45x = 17,546,977,112.59
  5. Step 5: Solve for x
    x = 17,546,977,112.59/166,429.45
  6. Step 6: Final answer
    x = 105,431.93

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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.