Home / 166,032.79-249,096.87-81,818.10

Finding the Fourth Proportional to 166,032.79, 249,096.87 and 81,818.10

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Solution

The fourth proportional to 166,032.79, 249,096.87 and 81,818.10 is: 122,750.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,032.79 : 249,096.87 = 81,818.10 : x
  2. Step 2: Convert to fraction form
    166,032.79/249,096.87 = 81,818.10/x
  3. Step 3: Cross multiply
    166,032.79x = 249,096.87 × 81,818.10
  4. Step 4: Simplify right side
    166,032.79x = 20,380,632,619.35
  5. Step 5: Solve for x
    x = 20,380,632,619.35/166,032.79
  6. Step 6: Final answer
    x = 122,750.65

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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.