Home / 133,977.60-200,966.40-45,209.70

Finding the Fourth Proportional to 133,977.60, 200,966.40 and 45,209.70

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Solution

The fourth proportional to 133,977.60, 200,966.40 and 45,209.70 is: 67,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,977.60 : 200,966.40 = 45,209.70 : x
  2. Step 2: Convert to fraction form
    133,977.60/200,966.40 = 45,209.70/x
  3. Step 3: Cross multiply
    133,977.60x = 200,966.40 × 45,209.70
  4. Step 4: Simplify right side
    133,977.60x = 9,085,630,654.08
  5. Step 5: Solve for x
    x = 9,085,630,654.08/133,977.60
  6. Step 6: Final answer
    x = 67,814.55

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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.