Home / 144,015.80-198,732.48-79,485.62

Finding the Fourth Proportional to 144,015.80, 198,732.48 and 79,485.62

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Solution

The fourth proportional to 144,015.80, 198,732.48 and 79,485.62 is: 109,685.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,015.80 : 198,732.48 = 79,485.62 : x
  2. Step 2: Convert to fraction form
    144,015.80/198,732.48 = 79,485.62/x
  3. Step 3: Cross multiply
    144,015.80x = 198,732.48 × 79,485.62
  4. Step 4: Simplify right side
    144,015.80x = 15,796,374,386.94
  5. Step 5: Solve for x
    x = 15,796,374,386.94/144,015.80
  6. Step 6: Final answer
    x = 109,685.01

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1.5x scale

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.