Home / 119,425.58-178,990.68-60,278.12

Finding the Fourth Proportional to 119,425.58, 178,990.68 and 60,278.12

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Solution

The fourth proportional to 119,425.58, 178,990.68 and 60,278.12 is: 90,342.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,425.58 : 178,990.68 = 60,278.12 : x
  2. Step 2: Convert to fraction form
    119,425.58/178,990.68 = 60,278.12/x
  3. Step 3: Cross multiply
    119,425.58x = 178,990.68 × 60,278.12
  4. Step 4: Simplify right side
    119,425.58x = 10,789,221,687.92
  5. Step 5: Solve for x
    x = 10,789,221,687.92/119,425.58
  6. Step 6: Final answer
    x = 90,342.64

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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.