Home / 115,898.85-173,867.90-39,976.77

Finding the Fourth Proportional to 115,898.85, 173,867.90 and 39,976.77

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Solution

The fourth proportional to 115,898.85, 173,867.90 and 39,976.77 is: 59,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,898.85 : 173,867.90 = 39,976.77 : x
  2. Step 2: Convert to fraction form
    115,898.85/173,867.90 = 39,976.77/x
  3. Step 3: Cross multiply
    115,898.85x = 173,867.90 × 39,976.77
  4. Step 4: Simplify right side
    115,898.85x = 6,950,677,725.67
  5. Step 5: Solve for x
    x = 6,950,677,725.67/115,898.85
  6. Step 6: Final answer
    x = 59,971.93

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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.