Home / 545,134.18-817,742.79-166,087.27

Finding the Fourth Proportional to 545,134.18, 817,742.79 and 166,087.27

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Solution

The fourth proportional to 545,134.18, 817,742.79 and 166,087.27 is: 249,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,134.18 : 817,742.79 = 166,087.27 : x
  2. Step 2: Convert to fraction form
    545,134.18/817,742.79 = 166,087.27/x
  3. Step 3: Cross multiply
    545,134.18x = 817,742.79 × 166,087.27
  4. Step 4: Simplify right side
    545,134.18x = 135,816,670,250.92
  5. Step 5: Solve for x
    x = 135,816,670,250.92/545,134.18
  6. Step 6: Final answer
    x = 249,143.56

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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.