Home / 144,135.95-216,209.39-38,954.95

Finding the Fourth Proportional to 144,135.95, 216,209.39 and 38,954.95

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Solution

The fourth proportional to 144,135.95, 216,209.39 and 38,954.95 is: 58,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,135.95 : 216,209.39 = 38,954.95 : x
  2. Step 2: Convert to fraction form
    144,135.95/216,209.39 = 38,954.95/x
  3. Step 3: Cross multiply
    144,135.95x = 216,209.39 × 38,954.95
  4. Step 4: Simplify right side
    144,135.95x = 8,422,425,241.68
  5. Step 5: Solve for x
    x = 8,422,425,241.68/144,135.95
  6. Step 6: Final answer
    x = 58,433.90

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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.