Home / 145,047.52-217,573.68-39,865.84

Finding the Fourth Proportional to 145,047.52, 217,573.68 and 39,865.84

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Solution

The fourth proportional to 145,047.52, 217,573.68 and 39,865.84 is: 59,799.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,047.52 : 217,573.68 = 39,865.84 : x
  2. Step 2: Convert to fraction form
    145,047.52/217,573.68 = 39,865.84/x
  3. Step 3: Cross multiply
    145,047.52x = 217,573.68 × 39,865.84
  4. Step 4: Simplify right side
    145,047.52x = 8,673,757,515.09
  5. Step 5: Solve for x
    x = 8,673,757,515.09/145,047.52
  6. Step 6: Final answer
    x = 59,799.42

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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.