Home / 130,535.08-195,741.44-76,516.16

Finding the Fourth Proportional to 130,535.08, 195,741.44 and 76,516.16

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Solution

The fourth proportional to 130,535.08, 195,741.44 and 76,516.16 is: 114,738.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,535.08 : 195,741.44 = 76,516.16 : x
  2. Step 2: Convert to fraction form
    130,535.08/195,741.44 = 76,516.16/x
  3. Step 3: Cross multiply
    130,535.08x = 195,741.44 × 76,516.16
  4. Step 4: Simplify right side
    130,535.08x = 14,977,383,341.67
  5. Step 5: Solve for x
    x = 14,977,383,341.67/130,535.08
  6. Step 6: Final answer
    x = 114,738.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.