Home / 119,639.39-179,459.78-30,886.83

Finding the Fourth Proportional to 119,639.39, 179,459.78 and 30,886.83

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Solution

The fourth proportional to 119,639.39, 179,459.78 and 30,886.83 is: 46,330.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,639.39 : 179,459.78 = 30,886.83 : x
  2. Step 2: Convert to fraction form
    119,639.39/179,459.78 = 30,886.83/x
  3. Step 3: Cross multiply
    119,639.39x = 179,459.78 × 30,886.83
  4. Step 4: Simplify right side
    119,639.39x = 5,542,943,562.26
  5. Step 5: Solve for x
    x = 5,542,943,562.26/119,639.39
  6. Step 6: Final answer
    x = 46,330.43

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1.5x scale

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.