Home / 129,759.36-179,096.58-84,358.32

Finding the Fourth Proportional to 129,759.36, 179,096.58 and 84,358.32

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Solution

The fourth proportional to 129,759.36, 179,096.58 and 84,358.32 is: 116,433.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,759.36 : 179,096.58 = 84,358.32 : x
  2. Step 2: Convert to fraction form
    129,759.36/179,096.58 = 84,358.32/x
  3. Step 3: Cross multiply
    129,759.36x = 179,096.58 × 84,358.32
  4. Step 4: Simplify right side
    129,759.36x = 15,108,286,606.55
  5. Step 5: Solve for x
    x = 15,108,286,606.55/129,759.36
  6. Step 6: Final answer
    x = 116,433.12

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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.