Home / 130,815.92-180,523.67-73,455.69

Finding the Fourth Proportional to 130,815.92, 180,523.67 and 73,455.69

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Solution

The fourth proportional to 130,815.92, 180,523.67 and 73,455.69 is: 101,367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,815.92 : 180,523.67 = 73,455.69 : x
  2. Step 2: Convert to fraction form
    130,815.92/180,523.67 = 73,455.69/x
  3. Step 3: Cross multiply
    130,815.92x = 180,523.67 × 73,455.69
  4. Step 4: Simplify right side
    130,815.92x = 13,260,490,373.90
  5. Step 5: Solve for x
    x = 13,260,490,373.90/130,815.92
  6. Step 6: Final answer
    x = 101,367.56

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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.