Home / 144,935.69-217,378.42-38,320.79

Finding the Fourth Proportional to 144,935.69, 217,378.42 and 38,320.79

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Solution

The fourth proportional to 144,935.69, 217,378.42 and 38,320.79 is: 57,474.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,935.69 : 217,378.42 = 38,320.79 : x
  2. Step 2: Convert to fraction form
    144,935.69/217,378.42 = 38,320.79/x
  3. Step 3: Cross multiply
    144,935.69x = 217,378.42 × 38,320.79
  4. Step 4: Simplify right side
    144,935.69x = 8,330,111,600.66
  5. Step 5: Solve for x
    x = 8,330,111,600.66/144,935.69
  6. Step 6: Final answer
    x = 57,474.54

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1.5x scale

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.