Home / 166,330.45-249,516.42-65,115.42

Finding the Fourth Proportional to 166,330.45, 249,516.42 and 65,115.42

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Solution

The fourth proportional to 166,330.45, 249,516.42 and 65,115.42 is: 97,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,330.45 : 249,516.42 = 65,115.42 : x
  2. Step 2: Convert to fraction form
    166,330.45/249,516.42 = 65,115.42/x
  3. Step 3: Cross multiply
    166,330.45x = 249,516.42 × 65,115.42
  4. Step 4: Simplify right side
    166,330.45x = 16,247,366,485.20
  5. Step 5: Solve for x
    x = 16,247,366,485.20/166,330.45
  6. Step 6: Final answer
    x = 97,681.25

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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.