Home / 159,645.06-220,128.03-119,290.86

Finding the Fourth Proportional to 159,645.06, 220,128.03 and 119,290.86

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Solution

The fourth proportional to 159,645.06, 220,128.03 and 119,290.86 is: 164,485.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,645.06 : 220,128.03 = 119,290.86 : x
  2. Step 2: Convert to fraction form
    159,645.06/220,128.03 = 119,290.86/x
  3. Step 3: Cross multiply
    159,645.06x = 220,128.03 × 119,290.86
  4. Step 4: Simplify right side
    159,645.06x = 26,259,262,008.81
  5. Step 5: Solve for x
    x = 26,259,262,008.81/159,645.06
  6. Step 6: Final answer
    x = 164,485.28

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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.