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Finding the Fourth Proportional to 166,443.20, 249,664.80 and 157,889.60

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Solution

The fourth proportional to 166,443.20, 249,664.80 and 157,889.60 is: 236,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,443.20 : 249,664.80 = 157,889.60 : x
  2. Step 2: Convert to fraction form
    166,443.20/249,664.80 = 157,889.60/x
  3. Step 3: Cross multiply
    166,443.20x = 249,664.80 × 157,889.60
  4. Step 4: Simplify right side
    166,443.20x = 39,419,475,406.08
  5. Step 5: Solve for x
    x = 39,419,475,406.08/166,443.20
  6. Step 6: Final answer
    x = 236,834.40

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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.