Home / 215,885.60-323,828.40-132,941.60

Finding the Fourth Proportional to 215,885.60, 323,828.40 and 132,941.60

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Solution

The fourth proportional to 215,885.60, 323,828.40 and 132,941.60 is: 199,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,885.60 : 323,828.40 = 132,941.60 : x
  2. Step 2: Convert to fraction form
    215,885.60/323,828.40 = 132,941.60/x
  3. Step 3: Cross multiply
    215,885.60x = 323,828.40 × 132,941.60
  4. Step 4: Simplify right side
    215,885.60x = 43,050,265,621.44
  5. Step 5: Solve for x
    x = 43,050,265,621.44/215,885.60
  6. Step 6: Final answer
    x = 199,412.40

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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.