Home / 130,553.82-180,162.72-73,192.86

Finding the Fourth Proportional to 130,553.82, 180,162.72 and 73,192.86

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Solution

The fourth proportional to 130,553.82, 180,162.72 and 73,192.86 is: 101,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,553.82 : 180,162.72 = 73,192.86 : x
  2. Step 2: Convert to fraction form
    130,553.82/180,162.72 = 73,192.86/x
  3. Step 3: Cross multiply
    130,553.82x = 180,162.72 × 73,192.86
  4. Step 4: Simplify right side
    130,553.82x = 13,186,624,742.18
  5. Step 5: Solve for x
    x = 13,186,624,742.18/130,553.82
  6. Step 6: Final answer
    x = 101,005.28

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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.