Home / 166,114.80-249,245.10-77,322.60

Finding the Fourth Proportional to 166,114.80, 249,245.10 and 77,322.60

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Solution

The fourth proportional to 166,114.80, 249,245.10 and 77,322.60 is: 116,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,114.80 : 249,245.10 = 77,322.60 : x
  2. Step 2: Convert to fraction form
    166,114.80/249,245.10 = 77,322.60/x
  3. Step 3: Cross multiply
    166,114.80x = 249,245.10 × 77,322.60
  4. Step 4: Simplify right side
    166,114.80x = 19,272,279,169.26
  5. Step 5: Solve for x
    x = 19,272,279,169.26/166,114.80
  6. Step 6: Final answer
    x = 116,017.83

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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.