Home / 130,890.96-180,609.85-73,519.30

Finding the Fourth Proportional to 130,890.96, 180,609.85 and 73,519.30

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Solution

The fourth proportional to 130,890.96, 180,609.85 and 73,519.30 is: 101,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,890.96 : 180,609.85 = 73,519.30 : x
  2. Step 2: Convert to fraction form
    130,890.96/180,609.85 = 73,519.30/x
  3. Step 3: Cross multiply
    130,890.96x = 180,609.85 × 73,519.30
  4. Step 4: Simplify right side
    130,890.96x = 13,278,309,046.84
  5. Step 5: Solve for x
    x = 13,278,309,046.84/130,890.96
  6. Step 6: Final answer
    x = 101,445.58

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1.5x scale

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.