Home / 130,507.20-180,083.52-82,762.56

Finding the Fourth Proportional to 130,507.20, 180,083.52 and 82,762.56

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Solution

The fourth proportional to 130,507.20, 180,083.52 and 82,762.56 is: 114,201.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,507.20 : 180,083.52 = 82,762.56 : x
  2. Step 2: Convert to fraction form
    130,507.20/180,083.52 = 82,762.56/x
  3. Step 3: Cross multiply
    130,507.20x = 180,083.52 × 82,762.56
  4. Step 4: Simplify right side
    130,507.20x = 14,904,173,129.01
  5. Step 5: Solve for x
    x = 14,904,173,129.01/130,507.20
  6. Step 6: Final answer
    x = 114,201.92

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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.