Home / 144,933.40-200,008.12-81,271.24

Finding the Fourth Proportional to 144,933.40, 200,008.12 and 81,271.24

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Solution

The fourth proportional to 144,933.40, 200,008.12 and 81,271.24 is: 112,154.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,933.40 : 200,008.12 = 81,271.24 : x
  2. Step 2: Convert to fraction form
    144,933.40/200,008.12 = 81,271.24/x
  3. Step 3: Cross multiply
    144,933.40x = 200,008.12 × 81,271.24
  4. Step 4: Simplify right side
    144,933.40x = 16,254,907,922.47
  5. Step 5: Solve for x
    x = 16,254,907,922.47/144,933.40
  6. Step 6: Final answer
    x = 112,154.33

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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.