Home / 148,010.70-221,368.05-132,329.10

Finding the Fourth Proportional to 148,010.70, 221,368.05 and 132,329.10

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Solution

The fourth proportional to 148,010.70, 221,368.05 and 132,329.10 is: 197,914.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,010.70 : 221,368.05 = 132,329.10 : x
  2. Step 2: Convert to fraction form
    148,010.70/221,368.05 = 132,329.10/x
  3. Step 3: Cross multiply
    148,010.70x = 221,368.05 × 132,329.10
  4. Step 4: Simplify right side
    148,010.70x = 29,293,434,825.26
  5. Step 5: Solve for x
    x = 29,293,434,825.26/148,010.70
  6. Step 6: Final answer
    x = 197,914.31

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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.