Home / 143,263.04-214,727.36-105,257.28

Finding the Fourth Proportional to 143,263.04, 214,727.36 and 105,257.28

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Solution

The fourth proportional to 143,263.04, 214,727.36 and 105,257.28 is: 157,763.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,263.04 : 214,727.36 = 105,257.28 : x
  2. Step 2: Convert to fraction form
    143,263.04/214,727.36 = 105,257.28/x
  3. Step 3: Cross multiply
    143,263.04x = 214,727.36 × 105,257.28
  4. Step 4: Simplify right side
    143,263.04x = 22,601,617,855.18
  5. Step 5: Solve for x
    x = 22,601,617,855.18/143,263.04
  6. Step 6: Final answer
    x = 157,763.08

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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.