Home / 179,298.36-269,013.96-85,740.12

Finding the Fourth Proportional to 179,298.36, 269,013.96 and 85,740.12

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Solution

The fourth proportional to 179,298.36, 269,013.96 and 85,740.12 is: 128,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,298.36 : 269,013.96 = 85,740.12 : x
  2. Step 2: Convert to fraction form
    179,298.36/269,013.96 = 85,740.12/x
  3. Step 3: Cross multiply
    179,298.36x = 269,013.96 × 85,740.12
  4. Step 4: Simplify right side
    179,298.36x = 23,065,289,212.08
  5. Step 5: Solve for x
    x = 23,065,289,212.08/179,298.36
  6. Step 6: Final answer
    x = 128,641.94

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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.