Home / 104,963.07-144,767.11-72,709.86

Finding the Fourth Proportional to 104,963.07, 144,767.11 and 72,709.86

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Solution

The fourth proportional to 104,963.07, 144,767.11 and 72,709.86 is: 100,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,963.07 : 144,767.11 = 72,709.86 : x
  2. Step 2: Convert to fraction form
    104,963.07/144,767.11 = 72,709.86/x
  3. Step 3: Cross multiply
    104,963.07x = 144,767.11 × 72,709.86
  4. Step 4: Simplify right side
    104,963.07x = 10,525,995,937.16
  5. Step 5: Solve for x
    x = 10,525,995,937.16/104,963.07
  6. Step 6: Final answer
    x = 100,282.85

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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.