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Finding the Fourth Proportional to 162,322.87, 224,004.99 and 90,702.89

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Solution

The fourth proportional to 162,322.87, 224,004.99 and 90,702.89 is: 125,169.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,322.87 : 224,004.99 = 90,702.89 : x
  2. Step 2: Convert to fraction form
    162,322.87/224,004.99 = 90,702.89/x
  3. Step 3: Cross multiply
    162,322.87x = 224,004.99 × 90,702.89
  4. Step 4: Simplify right side
    162,322.87x = 20,317,898,847.40
  5. Step 5: Solve for x
    x = 20,317,898,847.40/162,322.87
  6. Step 6: Final answer
    x = 125,169.67

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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.