Home / 130,289.14-179,736.69-75,841.30

Finding the Fourth Proportional to 130,289.14, 179,736.69 and 75,841.30

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Solution

The fourth proportional to 130,289.14, 179,736.69 and 75,841.30 is: 104,624.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,289.14 : 179,736.69 = 75,841.30 : x
  2. Step 2: Convert to fraction form
    130,289.14/179,736.69 = 75,841.30/x
  3. Step 3: Cross multiply
    130,289.14x = 179,736.69 × 75,841.30
  4. Step 4: Simplify right side
    130,289.14x = 13,631,464,227.30
  5. Step 5: Solve for x
    x = 13,631,464,227.30/130,289.14
  6. Step 6: Final answer
    x = 104,624.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.