Home / 173,287.48-259,339.82-145,239.20

Finding the Fourth Proportional to 173,287.48, 259,339.82 and 145,239.20

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Solution

The fourth proportional to 173,287.48, 259,339.82 and 145,239.20 is: 217,363.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,287.48 : 259,339.82 = 145,239.20 : x
  2. Step 2: Convert to fraction form
    173,287.48/259,339.82 = 145,239.20/x
  3. Step 3: Cross multiply
    173,287.48x = 259,339.82 × 145,239.20
  4. Step 4: Simplify right side
    173,287.48x = 37,666,307,984.94
  5. Step 5: Solve for x
    x = 37,666,307,984.94/173,287.48
  6. Step 6: Final answer
    x = 217,363.12

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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.