Home / 166,622.40-249,955.20-82,425.60

Finding the Fourth Proportional to 166,622.40, 249,955.20 and 82,425.60

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Solution

The fourth proportional to 166,622.40, 249,955.20 and 82,425.60 is: 123,649.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,622.40 : 249,955.20 = 82,425.60 : x
  2. Step 2: Convert to fraction form
    166,622.40/249,955.20 = 82,425.60/x
  3. Step 3: Cross multiply
    166,622.40x = 249,955.20 × 82,425.60
  4. Step 4: Simplify right side
    166,622.40x = 20,602,707,333.12
  5. Step 5: Solve for x
    x = 20,602,707,333.12/166,622.40
  6. Step 6: Final answer
    x = 123,649.09

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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.