Home / 166,628.40-249,796.80-148,913.70

Finding the Fourth Proportional to 166,628.40, 249,796.80 and 148,913.70

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Solution

The fourth proportional to 166,628.40, 249,796.80 and 148,913.70 is: 223,240.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,628.40 : 249,796.80 = 148,913.70 : x
  2. Step 2: Convert to fraction form
    166,628.40/249,796.80 = 148,913.70/x
  3. Step 3: Cross multiply
    166,628.40x = 249,796.80 × 148,913.70
  4. Step 4: Simplify right side
    166,628.40x = 37,198,165,736.16
  5. Step 5: Solve for x
    x = 37,198,165,736.16/166,628.40
  6. Step 6: Final answer
    x = 223,240.25

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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.