Home / 166,539.30-249,806.63-40,178.47

Finding the Fourth Proportional to 166,539.30, 249,806.63 and 40,178.47

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Solution

The fourth proportional to 166,539.30, 249,806.63 and 40,178.47 is: 60,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,539.30 : 249,806.63 = 40,178.47 : x
  2. Step 2: Convert to fraction form
    166,539.30/249,806.63 = 40,178.47/x
  3. Step 3: Cross multiply
    166,539.30x = 249,806.63 × 40,178.47
  4. Step 4: Simplify right side
    166,539.30x = 10,036,848,189.26
  5. Step 5: Solve for x
    x = 10,036,848,189.26/166,539.30
  6. Step 6: Final answer
    x = 60,267.15

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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.