Home / 162,865.68-224,749.20-90,265.50

Finding the Fourth Proportional to 162,865.68, 224,749.20 and 90,265.50

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Solution

The fourth proportional to 162,865.68, 224,749.20 and 90,265.50 is: 124,563.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,865.68 : 224,749.20 = 90,265.50 : x
  2. Step 2: Convert to fraction form
    162,865.68/224,749.20 = 90,265.50/x
  3. Step 3: Cross multiply
    162,865.68x = 224,749.20 × 90,265.50
  4. Step 4: Simplify right side
    162,865.68x = 20,287,098,912.60
  5. Step 5: Solve for x
    x = 20,287,098,912.60/162,865.68
  6. Step 6: Final answer
    x = 124,563.38

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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.