Home / 148,150.79-204,448.64-80,167.77

Finding the Fourth Proportional to 148,150.79, 204,448.64 and 80,167.77

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Solution

The fourth proportional to 148,150.79, 204,448.64 and 80,167.77 is: 110,631.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,150.79 : 204,448.64 = 80,167.77 : x
  2. Step 2: Convert to fraction form
    148,150.79/204,448.64 = 80,167.77/x
  3. Step 3: Cross multiply
    148,150.79x = 204,448.64 × 80,167.77
  4. Step 4: Simplify right side
    148,150.79x = 16,390,190,685.22
  5. Step 5: Solve for x
    x = 16,390,190,685.22/148,150.79
  6. Step 6: Final answer
    x = 110,631.81

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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.