Home / 148,294.64-204,646.78-80,311.72

Finding the Fourth Proportional to 148,294.64, 204,646.78 and 80,311.72

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Solution

The fourth proportional to 148,294.64, 204,646.78 and 80,311.72 is: 110,830.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,294.64 : 204,646.78 = 80,311.72 : x
  2. Step 2: Convert to fraction form
    148,294.64/204,646.78 = 80,311.72/x
  3. Step 3: Cross multiply
    148,294.64x = 204,646.78 × 80,311.72
  4. Step 4: Simplify right side
    148,294.64x = 16,435,534,894.26
  5. Step 5: Solve for x
    x = 16,435,534,894.26/148,294.64
  6. Step 6: Final answer
    x = 110,830.27

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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.