Home / 148,154.30-204,453.47-80,171.27

Finding the Fourth Proportional to 148,154.30, 204,453.47 and 80,171.27

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Solution

The fourth proportional to 148,154.30, 204,453.47 and 80,171.27 is: 110,636.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,154.30 : 204,453.47 = 80,171.27 : x
  2. Step 2: Convert to fraction form
    148,154.30/204,453.47 = 80,171.27/x
  3. Step 3: Cross multiply
    148,154.30x = 204,453.47 × 80,171.27
  4. Step 4: Simplify right side
    148,154.30x = 16,391,294,345.81
  5. Step 5: Solve for x
    x = 16,391,294,345.81/148,154.30
  6. Step 6: Final answer
    x = 110,636.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.