Home / 173,115.90-259,637.40-73,279.35

Finding the Fourth Proportional to 173,115.90, 259,637.40 and 73,279.35

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Solution

The fourth proportional to 173,115.90, 259,637.40 and 73,279.35 is: 109,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,115.90 : 259,637.40 = 73,279.35 : x
  2. Step 2: Convert to fraction form
    173,115.90/259,637.40 = 73,279.35/x
  3. Step 3: Cross multiply
    173,115.90x = 259,637.40 × 73,279.35
  4. Step 4: Simplify right side
    173,115.90x = 19,026,059,907.69
  5. Step 5: Solve for x
    x = 19,026,059,907.69/173,115.90
  6. Step 6: Final answer
    x = 109,903.60

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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.