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Finding the Fourth Proportional to 166,539, 229,827.47 and 91,087.50

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Solution

The fourth proportional to 166,539, 229,827.47 and 91,087.50 is: 125,702.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,539 : 229,827.47 = 91,087.50 : x
  2. Step 2: Convert to fraction form
    166,539/229,827.47 = 91,087.50/x
  3. Step 3: Cross multiply
    166,539x = 229,827.47 × 91,087.50
  4. Step 4: Simplify right side
    166,539x = 20,934,409,673.63
  5. Step 5: Solve for x
    x = 20,934,409,673.63/166,539
  6. Step 6: Final answer
    x = 125,702.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.