Home / 119,105.46-178,424.61-69,080.48

Finding the Fourth Proportional to 119,105.46, 178,424.61 and 69,080.48

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Solution

The fourth proportional to 119,105.46, 178,424.61 and 69,080.48 is: 103,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,105.46 : 178,424.61 = 69,080.48 : x
  2. Step 2: Convert to fraction form
    119,105.46/178,424.61 = 69,080.48/x
  3. Step 3: Cross multiply
    119,105.46x = 178,424.61 × 69,080.48
  4. Step 4: Simplify right side
    119,105.46x = 12,325,656,810.49
  5. Step 5: Solve for x
    x = 12,325,656,810.49/119,105.46
  6. Step 6: Final answer
    x = 103,485.24

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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.