Home / 82,186.65-113,378.64-53,495.84

Finding the Fourth Proportional to 82,186.65, 113,378.64 and 53,495.84

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Solution

The fourth proportional to 82,186.65, 113,378.64 and 53,495.84 is: 73,798.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,186.65 : 113,378.64 = 53,495.84 : x
  2. Step 2: Convert to fraction form
    82,186.65/113,378.64 = 53,495.84/x
  3. Step 3: Cross multiply
    82,186.65x = 113,378.64 × 53,495.84
  4. Step 4: Simplify right side
    82,186.65x = 6,065,285,667.69
  5. Step 5: Solve for x
    x = 6,065,285,667.69/82,186.65
  6. Step 6: Final answer
    x = 73,798.92

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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.