Home / 166,015.31-249,039.36-47,704.07

Finding the Fourth Proportional to 166,015.31, 249,039.36 and 47,704.07

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Solution

The fourth proportional to 166,015.31, 249,039.36 and 47,704.07 is: 71,560.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,015.31 : 249,039.36 = 47,704.07 : x
  2. Step 2: Convert to fraction form
    166,015.31/249,039.36 = 47,704.07/x
  3. Step 3: Cross multiply
    166,015.31x = 249,039.36 × 47,704.07
  4. Step 4: Simplify right side
    166,015.31x = 11,880,191,062.20
  5. Step 5: Solve for x
    x = 11,880,191,062.20/166,015.31
  6. Step 6: Final answer
    x = 71,560.82

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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.