Home / 119,125.55-178,661.03-71,107.71

Finding the Fourth Proportional to 119,125.55, 178,661.03 and 71,107.71

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Solution

The fourth proportional to 119,125.55, 178,661.03 and 71,107.71 is: 106,645.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,125.55 : 178,661.03 = 71,107.71 : x
  2. Step 2: Convert to fraction form
    119,125.55/178,661.03 = 71,107.71/x
  3. Step 3: Cross multiply
    119,125.55x = 178,661.03 × 71,107.71
  4. Step 4: Simplify right side
    119,125.55x = 12,704,176,354.00
  5. Step 5: Solve for x
    x = 12,704,176,354.00/119,125.55
  6. Step 6: Final answer
    x = 106,645.27

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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.