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Finding the Fourth Proportional to 182,612.76, 252,075.84 and 163,458.70

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Solution

The fourth proportional to 182,612.76, 252,075.84 and 163,458.70 is: 225,635.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,612.76 : 252,075.84 = 163,458.70 : x
  2. Step 2: Convert to fraction form
    182,612.76/252,075.84 = 163,458.70/x
  3. Step 3: Cross multiply
    182,612.76x = 252,075.84 × 163,458.70
  4. Step 4: Simplify right side
    182,612.76x = 41,203,989,107.81
  5. Step 5: Solve for x
    x = 41,203,989,107.81/182,612.76
  6. Step 6: Final answer
    x = 225,635.87

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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.