Home / 115,765.48-159,582.18-90,571.24

Finding the Fourth Proportional to 115,765.48, 159,582.18 and 90,571.24

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Solution

The fourth proportional to 115,765.48, 159,582.18 and 90,571.24 is: 124,852.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,765.48 : 159,582.18 = 90,571.24 : x
  2. Step 2: Convert to fraction form
    115,765.48/159,582.18 = 90,571.24/x
  3. Step 3: Cross multiply
    115,765.48x = 159,582.18 × 90,571.24
  4. Step 4: Simplify right side
    115,765.48x = 14,453,555,924.50
  5. Step 5: Solve for x
    x = 14,453,555,924.50/115,765.48
  6. Step 6: Final answer
    x = 124,852.04

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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.