Home / 166,201.34-249,302.00-77,516.87

Finding the Fourth Proportional to 166,201.34, 249,302.00 and 77,516.87

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Solution

The fourth proportional to 166,201.34, 249,302.00 and 77,516.87 is: 116,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,201.34 : 249,302.00 = 77,516.87 : x
  2. Step 2: Convert to fraction form
    166,201.34/249,302.00 = 77,516.87/x
  3. Step 3: Cross multiply
    166,201.34x = 249,302.00 × 77,516.87
  4. Step 4: Simplify right side
    166,201.34x = 19,325,109,672.02
  5. Step 5: Solve for x
    x = 19,325,109,672.02/166,201.34
  6. Step 6: Final answer
    x = 116,275.30

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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.