Home / 68,416.30-102,574.77-46,174.78

Finding the Fourth Proportional to 68,416.30, 102,574.77 and 46,174.78

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Solution

The fourth proportional to 68,416.30, 102,574.77 and 46,174.78 is: 69,228.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,416.30 : 102,574.77 = 46,174.78 : x
  2. Step 2: Convert to fraction form
    68,416.30/102,574.77 = 46,174.78/x
  3. Step 3: Cross multiply
    68,416.30x = 102,574.77 × 46,174.78
  4. Step 4: Simplify right side
    68,416.30x = 4,736,367,438.30
  5. Step 5: Solve for x
    x = 4,736,367,438.30/68,416.30
  6. Step 6: Final answer
    x = 69,228.64

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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.