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Finding the Fourth Proportional to 166,182.80, 249,274.20 and 157,434.80

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Solution

The fourth proportional to 166,182.80, 249,274.20 and 157,434.80 is: 236,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,182.80 : 249,274.20 = 157,434.80 : x
  2. Step 2: Convert to fraction form
    166,182.80/249,274.20 = 157,434.80/x
  3. Step 3: Cross multiply
    166,182.80x = 249,274.20 × 157,434.80
  4. Step 4: Simplify right side
    166,182.80x = 39,244,433,822.16
  5. Step 5: Solve for x
    x = 39,244,433,822.16/166,182.80
  6. Step 6: Final answer
    x = 236,152.20

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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.