Home / 166,419.15-249,464.70-82,110.30

Finding the Fourth Proportional to 166,419.15, 249,464.70 and 82,110.30

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Solution

The fourth proportional to 166,419.15, 249,464.70 and 82,110.30 is: 123,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,419.15 : 249,464.70 = 82,110.30 : x
  2. Step 2: Convert to fraction form
    166,419.15/249,464.70 = 82,110.30/x
  3. Step 3: Cross multiply
    166,419.15x = 249,464.70 × 82,110.30
  4. Step 4: Simplify right side
    166,419.15x = 20,483,621,356.41
  5. Step 5: Solve for x
    x = 20,483,621,356.41/166,419.15
  6. Step 6: Final answer
    x = 123,084.52

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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.