Home / 103,623.98-143,000.91-58,302

Finding the Fourth Proportional to 103,623.98, 143,000.91 and 58,302

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Solution

The fourth proportional to 103,623.98, 143,000.91 and 58,302 is: 80,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,623.98 : 143,000.91 = 58,302 : x
  2. Step 2: Convert to fraction form
    103,623.98/143,000.91 = 58,302/x
  3. Step 3: Cross multiply
    103,623.98x = 143,000.91 × 58,302
  4. Step 4: Simplify right side
    103,623.98x = 8,337,239,054.82
  5. Step 5: Solve for x
    x = 8,337,239,054.82/103,623.98
  6. Step 6: Final answer
    x = 80,456.66

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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.