Home / 149,829.31-224,742.43-86,609.21

Finding the Fourth Proportional to 149,829.31, 224,742.43 and 86,609.21

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Solution

The fourth proportional to 149,829.31, 224,742.43 and 86,609.21 is: 129,912.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,829.31 : 224,742.43 = 86,609.21 : x
  2. Step 2: Convert to fraction form
    149,829.31/224,742.43 = 86,609.21/x
  3. Step 3: Cross multiply
    149,829.31x = 224,742.43 × 86,609.21
  4. Step 4: Simplify right side
    149,829.31x = 19,464,764,497.83
  5. Step 5: Solve for x
    x = 19,464,764,497.83/149,829.31
  6. Step 6: Final answer
    x = 129,912.93

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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.