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Finding the Fourth Proportional to 169,674.21, 254,281.68 and 64,435.77

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Solution

The fourth proportional to 169,674.21, 254,281.68 and 64,435.77 is: 96,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,674.21 : 254,281.68 = 64,435.77 : x
  2. Step 2: Convert to fraction form
    169,674.21/254,281.68 = 64,435.77/x
  3. Step 3: Cross multiply
    169,674.21x = 254,281.68 × 64,435.77
  4. Step 4: Simplify right side
    169,674.21x = 16,384,835,847.69
  5. Step 5: Solve for x
    x = 16,384,835,847.69/169,674.21
  6. Step 6: Final answer
    x = 96,566.45

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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.