Home / 159,192.72-219,682.36-87,571.16

Finding the Fourth Proportional to 159,192.72, 219,682.36 and 87,571.16

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Solution

The fourth proportional to 159,192.72, 219,682.36 and 87,571.16 is: 120,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,192.72 : 219,682.36 = 87,571.16 : x
  2. Step 2: Convert to fraction form
    159,192.72/219,682.36 = 87,571.16/x
  3. Step 3: Cross multiply
    159,192.72x = 219,682.36 × 87,571.16
  4. Step 4: Simplify right side
    159,192.72x = 19,237,839,096.74
  5. Step 5: Solve for x
    x = 19,237,839,096.74/159,192.72
  6. Step 6: Final answer
    x = 120,846.22

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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.