Home / 130,496.28-180,078.84-73,908.06

Finding the Fourth Proportional to 130,496.28, 180,078.84 and 73,908.06

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Solution

The fourth proportional to 130,496.28, 180,078.84 and 73,908.06 is: 101,989.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,496.28 : 180,078.84 = 73,908.06 : x
  2. Step 2: Convert to fraction form
    130,496.28/180,078.84 = 73,908.06/x
  3. Step 3: Cross multiply
    130,496.28x = 180,078.84 × 73,908.06
  4. Step 4: Simplify right side
    130,496.28x = 13,309,277,711.45
  5. Step 5: Solve for x
    x = 13,309,277,711.45/130,496.28
  6. Step 6: Final answer
    x = 101,989.71

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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.