Home / 130,996.83-180,794.77-73,640.88

Finding the Fourth Proportional to 130,996.83, 180,794.77 and 73,640.88

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Solution

The fourth proportional to 130,996.83, 180,794.77 and 73,640.88 is: 101,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,996.83 : 180,794.77 = 73,640.88 : x
  2. Step 2: Convert to fraction form
    130,996.83/180,794.77 = 73,640.88/x
  3. Step 3: Cross multiply
    130,996.83x = 180,794.77 × 73,640.88
  4. Step 4: Simplify right side
    130,996.83x = 13,313,885,778.10
  5. Step 5: Solve for x
    x = 13,313,885,778.10/130,996.83
  6. Step 6: Final answer
    x = 101,635.17

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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.