Home / 130,500.67-180,090.86-73,912.05

Finding the Fourth Proportional to 130,500.67, 180,090.86 and 73,912.05

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Solution

The fourth proportional to 130,500.67, 180,090.86 and 73,912.05 is: 101,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,500.67 : 180,090.86 = 73,912.05 : x
  2. Step 2: Convert to fraction form
    130,500.67/180,090.86 = 73,912.05/x
  3. Step 3: Cross multiply
    130,500.67x = 180,090.86 × 73,912.05
  4. Step 4: Simplify right side
    130,500.67x = 13,310,884,648.86
  5. Step 5: Solve for x
    x = 13,310,884,648.86/130,500.67
  6. Step 6: Final answer
    x = 101,998.59

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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.