Home / 130,504.56-180,091.48-70,887.28

Finding the Fourth Proportional to 130,504.56, 180,091.48 and 70,887.28

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Solution

The fourth proportional to 130,504.56, 180,091.48 and 70,887.28 is: 97,821.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,504.56 : 180,091.48 = 70,887.28 : x
  2. Step 2: Convert to fraction form
    130,504.56/180,091.48 = 70,887.28/x
  3. Step 3: Cross multiply
    130,504.56x = 180,091.48 × 70,887.28
  4. Step 4: Simplify right side
    130,504.56x = 12,766,195,168.37
  5. Step 5: Solve for x
    x = 12,766,195,168.37/130,504.56
  6. Step 6: Final answer
    x = 97,821.83

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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.