Home / 166,190.24-249,185.12-77,463.65

Finding the Fourth Proportional to 166,190.24, 249,185.12 and 77,463.65

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Solution

The fourth proportional to 166,190.24, 249,185.12 and 77,463.65 is: 116,148.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,190.24 : 249,185.12 = 77,463.65 : x
  2. Step 2: Convert to fraction form
    166,190.24/249,185.12 = 77,463.65/x
  3. Step 3: Cross multiply
    166,190.24x = 249,185.12 × 77,463.65
  4. Step 4: Simplify right side
    166,190.24x = 19,302,787,287.64
  5. Step 5: Solve for x
    x = 19,302,787,287.64/166,190.24
  6. Step 6: Final answer
    x = 116,148.75

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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.