Home / 159,334.06-219,888.93-87,713.32

Finding the Fourth Proportional to 159,334.06, 219,888.93 and 87,713.32

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Solution

The fourth proportional to 159,334.06, 219,888.93 and 87,713.32 is: 121,048.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,334.06 : 219,888.93 = 87,713.32 : x
  2. Step 2: Convert to fraction form
    159,334.06/219,888.93 = 87,713.32/x
  3. Step 3: Cross multiply
    159,334.06x = 219,888.93 × 87,713.32
  4. Step 4: Simplify right side
    159,334.06x = 19,287,188,081.55
  5. Step 5: Solve for x
    x = 19,287,188,081.55/159,334.06
  6. Step 6: Final answer
    x = 121,048.75

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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.