Home / 143,185.04-214,574.45-105,449.16

Finding the Fourth Proportional to 143,185.04, 214,574.45 and 105,449.16

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Solution

The fourth proportional to 143,185.04, 214,574.45 and 105,449.16 is: 158,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,185.04 : 214,574.45 = 105,449.16 : x
  2. Step 2: Convert to fraction form
    143,185.04/214,574.45 = 105,449.16/x
  3. Step 3: Cross multiply
    143,185.04x = 214,574.45 × 105,449.16
  4. Step 4: Simplify right side
    143,185.04x = 22,626,694,982.72
  5. Step 5: Solve for x
    x = 22,626,694,982.72/143,185.04
  6. Step 6: Final answer
    x = 158,024.16

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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.