Home / 166,139.52-248,954.04-112,762.08

Finding the Fourth Proportional to 166,139.52, 248,954.04 and 112,762.08

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Solution

The fourth proportional to 166,139.52, 248,954.04 and 112,762.08 is: 168,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,139.52 : 248,954.04 = 112,762.08 : x
  2. Step 2: Convert to fraction form
    166,139.52/248,954.04 = 112,762.08/x
  3. Step 3: Cross multiply
    166,139.52x = 248,954.04 × 112,762.08
  4. Step 4: Simplify right side
    166,139.52x = 28,072,575,374.80
  5. Step 5: Solve for x
    x = 28,072,575,374.80/166,139.52
  6. Step 6: Final answer
    x = 168,969.88

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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.