Home / 239,686.48-330,721.14-144,199.33

Finding the Fourth Proportional to 239,686.48, 330,721.14 and 144,199.33

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Solution

The fourth proportional to 239,686.48, 330,721.14 and 144,199.33 is: 198,967.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,686.48 : 330,721.14 = 144,199.33 : x
  2. Step 2: Convert to fraction form
    239,686.48/330,721.14 = 144,199.33/x
  3. Step 3: Cross multiply
    239,686.48x = 330,721.14 × 144,199.33
  4. Step 4: Simplify right side
    239,686.48x = 47,689,766,804.84
  5. Step 5: Solve for x
    x = 47,689,766,804.84/239,686.48
  6. Step 6: Final answer
    x = 198,967.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.