Home / 143,927.04-215,783.93-68,975.82

Finding the Fourth Proportional to 143,927.04, 215,783.93 and 68,975.82

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Solution

The fourth proportional to 143,927.04, 215,783.93 and 68,975.82 is: 103,412.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,927.04 : 215,783.93 = 68,975.82 : x
  2. Step 2: Convert to fraction form
    143,927.04/215,783.93 = 68,975.82/x
  3. Step 3: Cross multiply
    143,927.04x = 215,783.93 × 68,975.82
  4. Step 4: Simplify right side
    143,927.04x = 14,883,873,169.69
  5. Step 5: Solve for x
    x = 14,883,873,169.69/143,927.04
  6. Step 6: Final answer
    x = 103,412.63

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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.