Home / 119,927.71-179,889.04-39,971.46

Finding the Fourth Proportional to 119,927.71, 179,889.04 and 39,971.46

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Solution

The fourth proportional to 119,927.71, 179,889.04 and 39,971.46 is: 59,956.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,927.71 : 179,889.04 = 39,971.46 : x
  2. Step 2: Convert to fraction form
    119,927.71/179,889.04 = 39,971.46/x
  3. Step 3: Cross multiply
    119,927.71x = 179,889.04 × 39,971.46
  4. Step 4: Simplify right side
    119,927.71x = 7,190,427,566.80
  5. Step 5: Solve for x
    x = 7,190,427,566.80/119,927.71
  6. Step 6: Final answer
    x = 59,956.35

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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.