Home / 317,748.96-476,517.60-128,160.36

Finding the Fourth Proportional to 317,748.96, 476,517.60 and 128,160.36

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Solution

The fourth proportional to 317,748.96, 476,517.60 and 128,160.36 is: 192,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,748.96 : 476,517.60 = 128,160.36 : x
  2. Step 2: Convert to fraction form
    317,748.96/476,517.60 = 128,160.36/x
  3. Step 3: Cross multiply
    317,748.96x = 476,517.60 × 128,160.36
  4. Step 4: Simplify right side
    317,748.96x = 61,070,667,162.34
  5. Step 5: Solve for x
    x = 61,070,667,162.34/317,748.96
  6. Step 6: Final answer
    x = 192,197.85

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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.