Home / 180,704.50-249,375.81-105,257.86

Finding the Fourth Proportional to 180,704.50, 249,375.81 and 105,257.86

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Solution

The fourth proportional to 180,704.50, 249,375.81 and 105,257.86 is: 145,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,704.50 : 249,375.81 = 105,257.86 : x
  2. Step 2: Convert to fraction form
    180,704.50/249,375.81 = 105,257.86/x
  3. Step 3: Cross multiply
    180,704.50x = 249,375.81 × 105,257.86
  4. Step 4: Simplify right side
    180,704.50x = 26,248,764,096.37
  5. Step 5: Solve for x
    x = 26,248,764,096.37/180,704.50
  6. Step 6: Final answer
    x = 145,257.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.