Home / 116,987.28-161,441.84-63,272.24

Finding the Fourth Proportional to 116,987.28, 161,441.84 and 63,272.24

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Solution

The fourth proportional to 116,987.28, 161,441.84 and 63,272.24 is: 87,315.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,987.28 : 161,441.84 = 63,272.24 : x
  2. Step 2: Convert to fraction form
    116,987.28/161,441.84 = 63,272.24/x
  3. Step 3: Cross multiply
    116,987.28x = 161,441.84 × 63,272.24
  4. Step 4: Simplify right side
    116,987.28x = 10,214,786,846.52
  5. Step 5: Solve for x
    x = 10,214,786,846.52/116,987.28
  6. Step 6: Final answer
    x = 87,315.36

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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.