Home / 145,125.54-217,682.64-39,941.64

Finding the Fourth Proportional to 145,125.54, 217,682.64 and 39,941.64

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Solution

The fourth proportional to 145,125.54, 217,682.64 and 39,941.64 is: 59,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,125.54 : 217,682.64 = 39,941.64 : x
  2. Step 2: Convert to fraction form
    145,125.54/217,682.64 = 39,941.64/x
  3. Step 3: Cross multiply
    145,125.54x = 217,682.64 × 39,941.64
  4. Step 4: Simplify right side
    145,125.54x = 8,694,601,641.13
  5. Step 5: Solve for x
    x = 8,694,601,641.13/145,125.54
  6. Step 6: Final answer
    x = 59,910.90

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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.