Home / 165,001.20-247,501.80-141,381.60

Finding the Fourth Proportional to 165,001.20, 247,501.80 and 141,381.60

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Solution

The fourth proportional to 165,001.20, 247,501.80 and 141,381.60 is: 212,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,001.20 : 247,501.80 = 141,381.60 : x
  2. Step 2: Convert to fraction form
    165,001.20/247,501.80 = 141,381.60/x
  3. Step 3: Cross multiply
    165,001.20x = 247,501.80 × 141,381.60
  4. Step 4: Simplify right side
    165,001.20x = 34,992,200,486.88
  5. Step 5: Solve for x
    x = 34,992,200,486.88/165,001.20
  6. Step 6: Final answer
    x = 212,072.40

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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.