Home / 162,259.96-223,902.68-90,638.44

Finding the Fourth Proportional to 162,259.96, 223,902.68 and 90,638.44

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Solution

The fourth proportional to 162,259.96, 223,902.68 and 90,638.44 is: 125,072.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,259.96 : 223,902.68 = 90,638.44 : x
  2. Step 2: Convert to fraction form
    162,259.96/223,902.68 = 90,638.44/x
  3. Step 3: Cross multiply
    162,259.96x = 223,902.68 × 90,638.44
  4. Step 4: Simplify right side
    162,259.96x = 20,294,189,627.02
  5. Step 5: Solve for x
    x = 20,294,189,627.02/162,259.96
  6. Step 6: Final answer
    x = 125,072.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.