Home / 144,950.32-200,043.66-81,300.16

Finding the Fourth Proportional to 144,950.32, 200,043.66 and 81,300.16

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Solution

The fourth proportional to 144,950.32, 200,043.66 and 81,300.16 is: 112,201.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,950.32 : 200,043.66 = 81,300.16 : x
  2. Step 2: Convert to fraction form
    144,950.32/200,043.66 = 81,300.16/x
  3. Step 3: Cross multiply
    144,950.32x = 200,043.66 × 81,300.16
  4. Step 4: Simplify right side
    144,950.32x = 16,263,581,564.99
  5. Step 5: Solve for x
    x = 16,263,581,564.99/144,950.32
  6. Step 6: Final answer
    x = 112,201.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.