Home / 119,970.23-179,894.94-39,979.86

Finding the Fourth Proportional to 119,970.23, 179,894.94 and 39,979.86

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Solution

The fourth proportional to 119,970.23, 179,894.94 and 39,979.86 is: 59,949.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,970.23 : 179,894.94 = 39,979.86 : x
  2. Step 2: Convert to fraction form
    119,970.23/179,894.94 = 39,979.86/x
  3. Step 3: Cross multiply
    119,970.23x = 179,894.94 × 39,979.86
  4. Step 4: Simplify right side
    119,970.23x = 7,192,174,515.91
  5. Step 5: Solve for x
    x = 7,192,174,515.91/119,970.23
  6. Step 6: Final answer
    x = 59,949.66

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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.