Home / 144,983.16-200,077.02-81,320.76

Finding the Fourth Proportional to 144,983.16, 200,077.02 and 81,320.76

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Solution

The fourth proportional to 144,983.16, 200,077.02 and 81,320.76 is: 112,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,983.16 : 200,077.02 = 81,320.76 : x
  2. Step 2: Convert to fraction form
    144,983.16/200,077.02 = 81,320.76/x
  3. Step 3: Cross multiply
    144,983.16x = 200,077.02 × 81,320.76
  4. Step 4: Simplify right side
    144,983.16x = 16,270,415,324.94
  5. Step 5: Solve for x
    x = 16,270,415,324.94/144,983.16
  6. Step 6: Final answer
    x = 112,222.79

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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.