Home / 119,761.14-179,680.59-57,436.50

Finding the Fourth Proportional to 119,761.14, 179,680.59 and 57,436.50

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Solution

The fourth proportional to 119,761.14, 179,680.59 and 57,436.50 is: 86,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,761.14 : 179,680.59 = 57,436.50 : x
  2. Step 2: Convert to fraction form
    119,761.14/179,680.59 = 57,436.50/x
  3. Step 3: Cross multiply
    119,761.14x = 179,680.59 × 57,436.50
  4. Step 4: Simplify right side
    119,761.14x = 10,320,224,207.54
  5. Step 5: Solve for x
    x = 10,320,224,207.54/119,761.14
  6. Step 6: Final answer
    x = 86,173.40

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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.