Home / 173,185.02-259,398.45-102,909.42

Finding the Fourth Proportional to 173,185.02, 259,398.45 and 102,909.42

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Solution

The fourth proportional to 173,185.02, 259,398.45 and 102,909.42 is: 154,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,185.02 : 259,398.45 = 102,909.42 : x
  2. Step 2: Convert to fraction form
    173,185.02/259,398.45 = 102,909.42/x
  3. Step 3: Cross multiply
    173,185.02x = 259,398.45 × 102,909.42
  4. Step 4: Simplify right side
    173,185.02x = 26,694,544,038.40
  5. Step 5: Solve for x
    x = 26,694,544,038.40/173,185.02
  6. Step 6: Final answer
    x = 154,138.87

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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.