Home / 166,188.96-249,283.44-77,504.49

Finding the Fourth Proportional to 166,188.96, 249,283.44 and 77,504.49

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Solution

The fourth proportional to 166,188.96, 249,283.44 and 77,504.49 is: 116,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,188.96 : 249,283.44 = 77,504.49 : x
  2. Step 2: Convert to fraction form
    166,188.96/249,283.44 = 77,504.49/x
  3. Step 3: Cross multiply
    166,188.96x = 249,283.44 × 77,504.49
  4. Step 4: Simplify right side
    166,188.96x = 19,320,585,882.65
  5. Step 5: Solve for x
    x = 19,320,585,882.65/166,188.96
  6. Step 6: Final answer
    x = 116,256.74

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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.