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Finding the Fourth Proportional to 130,310.88, 179,829.36 and 70,694.88

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Solution

The fourth proportional to 130,310.88, 179,829.36 and 70,694.88 is: 97,559.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,310.88 : 179,829.36 = 70,694.88 : x
  2. Step 2: Convert to fraction form
    130,310.88/179,829.36 = 70,694.88/x
  3. Step 3: Cross multiply
    130,310.88x = 179,829.36 × 70,694.88
  4. Step 4: Simplify right side
    130,310.88x = 12,713,015,025.68
  5. Step 5: Solve for x
    x = 12,713,015,025.68/130,310.88
  6. Step 6: Final answer
    x = 97,559.12

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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.