Home / 165,514.60-247,980.30-135,771.40

Finding the Fourth Proportional to 165,514.60, 247,980.30 and 135,771.40

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Solution

The fourth proportional to 165,514.60, 247,980.30 and 135,771.40 is: 203,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,514.60 : 247,980.30 = 135,771.40 : x
  2. Step 2: Convert to fraction form
    165,514.60/247,980.30 = 135,771.40/x
  3. Step 3: Cross multiply
    165,514.60x = 247,980.30 × 135,771.40
  4. Step 4: Simplify right side
    165,514.60x = 33,668,632,503.42
  5. Step 5: Solve for x
    x = 33,668,632,503.42/165,514.60
  6. Step 6: Final answer
    x = 203,417.90

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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.