Home / 97,828.50-146,763.80-30,359.20

Finding the Fourth Proportional to 97,828.50, 146,763.80 and 30,359.20

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Solution

The fourth proportional to 97,828.50, 146,763.80 and 30,359.20 is: 45,545.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,828.50 : 146,763.80 = 30,359.20 : x
  2. Step 2: Convert to fraction form
    97,828.50/146,763.80 = 30,359.20/x
  3. Step 3: Cross multiply
    97,828.50x = 146,763.80 × 30,359.20
  4. Step 4: Simplify right side
    97,828.50x = 4,455,631,556.96
  5. Step 5: Solve for x
    x = 4,455,631,556.96/97,828.50
  6. Step 6: Final answer
    x = 45,545.33

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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.