Home / 166,421.40-249,653.70-82,224.60

Finding the Fourth Proportional to 166,421.40, 249,653.70 and 82,224.60

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Solution

The fourth proportional to 166,421.40, 249,653.70 and 82,224.60 is: 123,347.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,421.40 : 249,653.70 = 82,224.60 : x
  2. Step 2: Convert to fraction form
    166,421.40/249,653.70 = 82,224.60/x
  3. Step 3: Cross multiply
    166,421.40x = 249,653.70 × 82,224.60
  4. Step 4: Simplify right side
    166,421.40x = 20,527,675,621.02
  5. Step 5: Solve for x
    x = 20,527,675,621.02/166,421.40
  6. Step 6: Final answer
    x = 123,347.57

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1.5x scale

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.