Home / 166,516.29-249,708.69-66,657.87

Finding the Fourth Proportional to 166,516.29, 249,708.69 and 66,657.87

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Solution

The fourth proportional to 166,516.29, 249,708.69 and 66,657.87 is: 99,960.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,516.29 : 249,708.69 = 66,657.87 : x
  2. Step 2: Convert to fraction form
    166,516.29/249,708.69 = 66,657.87/x
  3. Step 3: Cross multiply
    166,516.29x = 249,708.69 × 66,657.87
  4. Step 4: Simplify right side
    166,516.29x = 16,645,049,395.89
  5. Step 5: Solve for x
    x = 16,645,049,395.89/166,516.29
  6. Step 6: Final answer
    x = 99,960.49

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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.