Home / 166,193.22-249,289.82-77,508.74

Finding the Fourth Proportional to 166,193.22, 249,289.82 and 77,508.74

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Solution

The fourth proportional to 166,193.22, 249,289.82 and 77,508.74 is: 116,263.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,193.22 : 249,289.82 = 77,508.74 : x
  2. Step 2: Convert to fraction form
    166,193.22/249,289.82 = 77,508.74/x
  3. Step 3: Cross multiply
    166,193.22x = 249,289.82 × 77,508.74
  4. Step 4: Simplify right side
    166,193.22x = 19,322,139,843.03
  5. Step 5: Solve for x
    x = 19,322,139,843.03/166,193.22
  6. Step 6: Final answer
    x = 116,263.11

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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.