Home / 130,674.78-180,321.03-74,095.26

Finding the Fourth Proportional to 130,674.78, 180,321.03 and 74,095.26

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Solution

The fourth proportional to 130,674.78, 180,321.03 and 74,095.26 is: 102,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,674.78 : 180,321.03 = 74,095.26 : x
  2. Step 2: Convert to fraction form
    130,674.78/180,321.03 = 74,095.26/x
  3. Step 3: Cross multiply
    130,674.78x = 180,321.03 × 74,095.26
  4. Step 4: Simplify right side
    130,674.78x = 13,360,933,601.32
  5. Step 5: Solve for x
    x = 13,360,933,601.32/130,674.78
  6. Step 6: Final answer
    x = 102,245.69

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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.