Home / 178,043.40-245,814.62-158,890.41

Finding the Fourth Proportional to 178,043.40, 245,814.62 and 158,890.41

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Solution

The fourth proportional to 178,043.40, 245,814.62 and 158,890.41 is: 219,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,043.40 : 245,814.62 = 158,890.41 : x
  2. Step 2: Convert to fraction form
    178,043.40/245,814.62 = 158,890.41/x
  3. Step 3: Cross multiply
    178,043.40x = 245,814.62 × 158,890.41
  4. Step 4: Simplify right side
    178,043.40x = 39,057,584,961.34
  5. Step 5: Solve for x
    x = 39,057,584,961.34/178,043.40
  6. Step 6: Final answer
    x = 219,371.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.