Home / 166,290.48-249,519.12-77,550.96

Finding the Fourth Proportional to 166,290.48, 249,519.12 and 77,550.96

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Solution

The fourth proportional to 166,290.48, 249,519.12 and 77,550.96 is: 116,365.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,290.48 : 249,519.12 = 77,550.96 : x
  2. Step 2: Convert to fraction form
    166,290.48/249,519.12 = 77,550.96/x
  3. Step 3: Cross multiply
    166,290.48x = 249,519.12 × 77,550.96
  4. Step 4: Simplify right side
    166,290.48x = 19,350,447,294.36
  5. Step 5: Solve for x
    x = 19,350,447,294.36/166,290.48
  6. Step 6: Final answer
    x = 116,365.33

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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.