Home / 143,607.24-215,441.93-43,764.79

Finding the Fourth Proportional to 143,607.24, 215,441.93 and 43,764.79

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Solution

The fourth proportional to 143,607.24, 215,441.93 and 43,764.79 is: 65,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,607.24 : 215,441.93 = 43,764.79 : x
  2. Step 2: Convert to fraction form
    143,607.24/215,441.93 = 43,764.79/x
  3. Step 3: Cross multiply
    143,607.24x = 215,441.93 × 43,764.79
  4. Step 4: Simplify right side
    143,607.24x = 9,428,770,823.64
  5. Step 5: Solve for x
    x = 9,428,770,823.64/143,607.24
  6. Step 6: Final answer
    x = 65,656.65

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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.