Home / 130,309.32-195,505.50-58,251.10

Finding the Fourth Proportional to 130,309.32, 195,505.50 and 58,251.10

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Solution

The fourth proportional to 130,309.32, 195,505.50 and 58,251.10 is: 87,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,309.32 : 195,505.50 = 58,251.10 : x
  2. Step 2: Convert to fraction form
    130,309.32/195,505.50 = 58,251.10/x
  3. Step 3: Cross multiply
    130,309.32x = 195,505.50 × 58,251.10
  4. Step 4: Simplify right side
    130,309.32x = 11,388,410,431.05
  5. Step 5: Solve for x
    x = 11,388,410,431.05/130,309.32
  6. Step 6: Final answer
    x = 87,395.21

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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.