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Finding the Fourth Proportional to 180,018.05, 270,065.34 and 61,657.61

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Solution

The fourth proportional to 180,018.05, 270,065.34 and 61,657.61 is: 92,499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,018.05 : 270,065.34 = 61,657.61 : x
  2. Step 2: Convert to fraction form
    180,018.05/270,065.34 = 61,657.61/x
  3. Step 3: Cross multiply
    180,018.05x = 270,065.34 × 61,657.61
  4. Step 4: Simplify right side
    180,018.05x = 16,651,582,057.91
  5. Step 5: Solve for x
    x = 16,651,582,057.91/180,018.05
  6. Step 6: Final answer
    x = 92,499.52

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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.