Home / 119,406.49-179,071.71-39,429.57

Finding the Fourth Proportional to 119,406.49, 179,071.71 and 39,429.57

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Solution

The fourth proportional to 119,406.49, 179,071.71 and 39,429.57 is: 59,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,406.49 : 179,071.71 = 39,429.57 : x
  2. Step 2: Convert to fraction form
    119,406.49/179,071.71 = 39,429.57/x
  3. Step 3: Cross multiply
    119,406.49x = 179,071.71 × 39,429.57
  4. Step 4: Simplify right side
    119,406.49x = 7,060,720,524.46
  5. Step 5: Solve for x
    x = 7,060,720,524.46/119,406.49
  6. Step 6: Final answer
    x = 59,131.80

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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.