Home / 130,113.48-179,457.54-111,995

Finding the Fourth Proportional to 130,113.48, 179,457.54 and 111,995

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Solution

The fourth proportional to 130,113.48, 179,457.54 and 111,995 is: 154,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,113.48 : 179,457.54 = 111,995 : x
  2. Step 2: Convert to fraction form
    130,113.48/179,457.54 = 111,995/x
  3. Step 3: Cross multiply
    130,113.48x = 179,457.54 × 111,995
  4. Step 4: Simplify right side
    130,113.48x = 20,098,347,192.30
  5. Step 5: Solve for x
    x = 20,098,347,192.30/130,113.48
  6. Step 6: Final answer
    x = 154,467.83

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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.