Home / 166,619.79-249,615.81-82,281.24

Finding the Fourth Proportional to 166,619.79, 249,615.81 and 82,281.24

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Solution

The fourth proportional to 166,619.79, 249,615.81 and 82,281.24 is: 123,266.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,619.79 : 249,615.81 = 82,281.24 : x
  2. Step 2: Convert to fraction form
    166,619.79/249,615.81 = 82,281.24/x
  3. Step 3: Cross multiply
    166,619.79x = 249,615.81 × 82,281.24
  4. Step 4: Simplify right side
    166,619.79x = 20,538,698,370.40
  5. Step 5: Solve for x
    x = 20,538,698,370.40/166,619.79
  6. Step 6: Final answer
    x = 123,266.86

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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.