Home / 163,934.70-245,902.05-143,198.70

Finding the Fourth Proportional to 163,934.70, 245,902.05 and 143,198.70

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Solution

The fourth proportional to 163,934.70, 245,902.05 and 143,198.70 is: 214,798.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,934.70 : 245,902.05 = 143,198.70 : x
  2. Step 2: Convert to fraction form
    163,934.70/245,902.05 = 143,198.70/x
  3. Step 3: Cross multiply
    163,934.70x = 245,902.05 × 143,198.70
  4. Step 4: Simplify right side
    163,934.70x = 35,212,853,887.34
  5. Step 5: Solve for x
    x = 35,212,853,887.34/163,934.70
  6. Step 6: Final answer
    x = 214,798.05

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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.