Home / 162,431.70-224,176.34-90,815.96

Finding the Fourth Proportional to 162,431.70, 224,176.34 and 90,815.96

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Solution

The fourth proportional to 162,431.70, 224,176.34 and 90,815.96 is: 125,337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,431.70 : 224,176.34 = 90,815.96 : x
  2. Step 2: Convert to fraction form
    162,431.70/224,176.34 = 90,815.96/x
  3. Step 3: Cross multiply
    162,431.70x = 224,176.34 × 90,815.96
  4. Step 4: Simplify right side
    162,431.70x = 20,358,789,526.39
  5. Step 5: Solve for x
    x = 20,358,789,526.39/162,431.70
  6. Step 6: Final answer
    x = 125,337.54

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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.