Home / 166,485.78-249,732.72-54,166.32

Finding the Fourth Proportional to 166,485.78, 249,732.72 and 54,166.32

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Solution

The fourth proportional to 166,485.78, 249,732.72 and 54,166.32 is: 81,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,485.78 : 249,732.72 = 54,166.32 : x
  2. Step 2: Convert to fraction form
    166,485.78/249,732.72 = 54,166.32/x
  3. Step 3: Cross multiply
    166,485.78x = 249,732.72 × 54,166.32
  4. Step 4: Simplify right side
    166,485.78x = 13,527,102,425.99
  5. Step 5: Solve for x
    x = 13,527,102,425.99/166,485.78
  6. Step 6: Final answer
    x = 81,250.80

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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.