Home / 130,908.75-196,180.05-70,807.43

Finding the Fourth Proportional to 130,908.75, 196,180.05 and 70,807.43

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Solution

The fourth proportional to 130,908.75, 196,180.05 and 70,807.43 is: 106,112.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,908.75 : 196,180.05 = 70,807.43 : x
  2. Step 2: Convert to fraction form
    130,908.75/196,180.05 = 70,807.43/x
  3. Step 3: Cross multiply
    130,908.75x = 196,180.05 × 70,807.43
  4. Step 4: Simplify right side
    130,908.75x = 13,891,004,588.25
  5. Step 5: Solve for x
    x = 13,891,004,588.25/130,908.75
  6. Step 6: Final answer
    x = 106,112.12

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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.