Home / 144,934.40-200,009.50-81,272.24

Finding the Fourth Proportional to 144,934.40, 200,009.50 and 81,272.24

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Solution

The fourth proportional to 144,934.40, 200,009.50 and 81,272.24 is: 112,155.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,934.40 : 200,009.50 = 81,272.24 : x
  2. Step 2: Convert to fraction form
    144,934.40/200,009.50 = 81,272.24/x
  3. Step 3: Cross multiply
    144,934.40x = 200,009.50 × 81,272.24
  4. Step 4: Simplify right side
    144,934.40x = 16,255,220,086.28
  5. Step 5: Solve for x
    x = 16,255,220,086.28/144,934.40
  6. Step 6: Final answer
    x = 112,155.71

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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.