Home / 144,344.60-216,369.24-73,135.30

Finding the Fourth Proportional to 144,344.60, 216,369.24 and 73,135.30

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Solution

The fourth proportional to 144,344.60, 216,369.24 and 73,135.30 is: 109,628.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,344.60 : 216,369.24 = 73,135.30 : x
  2. Step 2: Convert to fraction form
    144,344.60/216,369.24 = 73,135.30/x
  3. Step 3: Cross multiply
    144,344.60x = 216,369.24 × 73,135.30
  4. Step 4: Simplify right side
    144,344.60x = 15,824,229,278.17
  5. Step 5: Solve for x
    x = 15,824,229,278.17/144,344.60
  6. Step 6: Final answer
    x = 109,628.13

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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.