Home / 144,965.16-217,414.08-39,792.60

Finding the Fourth Proportional to 144,965.16, 217,414.08 and 39,792.60

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Solution

The fourth proportional to 144,965.16, 217,414.08 and 39,792.60 is: 59,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,965.16 : 217,414.08 = 39,792.60 : x
  2. Step 2: Convert to fraction form
    144,965.16/217,414.08 = 39,792.60/x
  3. Step 3: Cross multiply
    144,965.16x = 217,414.08 × 39,792.60
  4. Step 4: Simplify right side
    144,965.16x = 8,651,471,519.81
  5. Step 5: Solve for x
    x = 8,651,471,519.81/144,965.16
  6. Step 6: Final answer
    x = 59,679.66

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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.