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Finding the Fourth Proportional to 180,126.74, 270,189.69 and 169,165.76

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Solution

The fourth proportional to 180,126.74, 270,189.69 and 169,165.76 is: 253,748.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,126.74 : 270,189.69 = 169,165.76 : x
  2. Step 2: Convert to fraction form
    180,126.74/270,189.69 = 169,165.76/x
  3. Step 3: Cross multiply
    180,126.74x = 270,189.69 × 169,165.76
  4. Step 4: Simplify right side
    180,126.74x = 45,706,844,253.01
  5. Step 5: Solve for x
    x = 45,706,844,253.01/180,126.74
  6. Step 6: Final answer
    x = 253,748.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.