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Finding the Fourth Proportional to 166,101.60, 249,152.40 and 165,117.45

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Solution

The fourth proportional to 166,101.60, 249,152.40 and 165,117.45 is: 247,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,101.60 : 249,152.40 = 165,117.45 : x
  2. Step 2: Convert to fraction form
    166,101.60/249,152.40 = 165,117.45/x
  3. Step 3: Cross multiply
    166,101.60x = 249,152.40 × 165,117.45
  4. Step 4: Simplify right side
    166,101.60x = 41,139,408,949.38
  5. Step 5: Solve for x
    x = 41,139,408,949.38/166,101.60
  6. Step 6: Final answer
    x = 247,676.18

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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.