Home / 145,196.82-217,803.42-51,702.57

Finding the Fourth Proportional to 145,196.82, 217,803.42 and 51,702.57

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Solution

The fourth proportional to 145,196.82, 217,803.42 and 51,702.57 is: 77,556.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,196.82 : 217,803.42 = 51,702.57 : x
  2. Step 2: Convert to fraction form
    145,196.82/217,803.42 = 51,702.57/x
  3. Step 3: Cross multiply
    145,196.82x = 217,803.42 × 51,702.57
  4. Step 4: Simplify right side
    145,196.82x = 11,260,996,568.79
  5. Step 5: Solve for x
    x = 11,260,996,568.79/145,196.82
  6. Step 6: Final answer
    x = 77,556.77

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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.