Home / 166,642.20-249,963.30-73,147.95

Finding the Fourth Proportional to 166,642.20, 249,963.30 and 73,147.95

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Solution

The fourth proportional to 166,642.20, 249,963.30 and 73,147.95 is: 109,721.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,642.20 : 249,963.30 = 73,147.95 : x
  2. Step 2: Convert to fraction form
    166,642.20/249,963.30 = 73,147.95/x
  3. Step 3: Cross multiply
    166,642.20x = 249,963.30 × 73,147.95
  4. Step 4: Simplify right side
    166,642.20x = 18,284,302,970.24
  5. Step 5: Solve for x
    x = 18,284,302,970.24/166,642.20
  6. Step 6: Final answer
    x = 109,721.93

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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.