Home / 178,029.90-245,795.87-158,876.79

Finding the Fourth Proportional to 178,029.90, 245,795.87 and 158,876.79

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Solution

The fourth proportional to 178,029.90, 245,795.87 and 158,876.79 is: 219,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,029.90 : 245,795.87 = 158,876.79 : x
  2. Step 2: Convert to fraction form
    178,029.90/245,795.87 = 158,876.79/x
  3. Step 3: Cross multiply
    178,029.90x = 245,795.87 × 158,876.79
  4. Step 4: Simplify right side
    178,029.90x = 39,051,258,785.23
  5. Step 5: Solve for x
    x = 39,051,258,785.23/178,029.90
  6. Step 6: Final answer
    x = 219,352.25

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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.