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Finding the Fourth Proportional to 150,201.03, 207,275.58 and 81,288.89

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Solution

The fourth proportional to 150,201.03, 207,275.58 and 81,288.89 is: 112,177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,201.03 : 207,275.58 = 81,288.89 : x
  2. Step 2: Convert to fraction form
    150,201.03/207,275.58 = 81,288.89/x
  3. Step 3: Cross multiply
    150,201.03x = 207,275.58 × 81,288.89
  4. Step 4: Simplify right side
    150,201.03x = 16,849,202,374.80
  5. Step 5: Solve for x
    x = 16,849,202,374.80/150,201.03
  6. Step 6: Final answer
    x = 112,177.67

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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.