Home / 119,205.06-178,838.69-69,237.12

Finding the Fourth Proportional to 119,205.06, 178,838.69 and 69,237.12

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Solution

The fourth proportional to 119,205.06, 178,838.69 and 69,237.12 is: 103,873.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,205.06 : 178,838.69 = 69,237.12 : x
  2. Step 2: Convert to fraction form
    119,205.06/178,838.69 = 69,237.12/x
  3. Step 3: Cross multiply
    119,205.06x = 178,838.69 × 69,237.12
  4. Step 4: Simplify right side
    119,205.06x = 12,382,275,493.99
  5. Step 5: Solve for x
    x = 12,382,275,493.99/119,205.06
  6. Step 6: Final answer
    x = 103,873.74

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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.