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Finding the Fourth Proportional to 166,410, 249,615 and 55,602

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Solution

The fourth proportional to 166,410, 249,615 and 55,602 is: 83,403

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,410 : 249,615 = 55,602 : x
  2. Step 2: Convert to fraction form
    166,410/249,615 = 55,602/x
  3. Step 3: Cross multiply
    166,410x = 249,615 × 55,602
  4. Step 4: Simplify right side
    166,410x = 13,879,093,230
  5. Step 5: Solve for x
    x = 13,879,093,230/166,410
  6. Step 6: Final answer
    x = 83,403

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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.