Home / 119,728.41-179,471.35-77,635.19

Finding the Fourth Proportional to 119,728.41, 179,471.35 and 77,635.19

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Solution

The fourth proportional to 119,728.41, 179,471.35 and 77,635.19 is: 116,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,728.41 : 179,471.35 = 77,635.19 : x
  2. Step 2: Convert to fraction form
    119,728.41/179,471.35 = 77,635.19/x
  3. Step 3: Cross multiply
    119,728.41x = 179,471.35 × 77,635.19
  4. Step 4: Simplify right side
    119,728.41x = 13,933,292,465.83
  5. Step 5: Solve for x
    x = 13,933,292,465.83/119,728.41
  6. Step 6: Final answer
    x = 116,374.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.