Home / 185,457.72-255,739.14-158,688.84

Finding the Fourth Proportional to 185,457.72, 255,739.14 and 158,688.84

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Solution

The fourth proportional to 185,457.72, 255,739.14 and 158,688.84 is: 218,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,457.72 : 255,739.14 = 158,688.84 : x
  2. Step 2: Convert to fraction form
    185,457.72/255,739.14 = 158,688.84/x
  3. Step 3: Cross multiply
    185,457.72x = 255,739.14 × 158,688.84
  4. Step 4: Simplify right side
    185,457.72x = 40,582,947,469.20
  5. Step 5: Solve for x
    x = 40,582,947,469.20/185,457.72
  6. Step 6: Final answer
    x = 218,825.87

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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.