Home / 104,934.89-144,810.08-57,188.23

Finding the Fourth Proportional to 104,934.89, 144,810.08 and 57,188.23

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Solution

The fourth proportional to 104,934.89, 144,810.08 and 57,188.23 is: 78,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,934.89 : 144,810.08 = 57,188.23 : x
  2. Step 2: Convert to fraction form
    104,934.89/144,810.08 = 57,188.23/x
  3. Step 3: Cross multiply
    104,934.89x = 144,810.08 × 57,188.23
  4. Step 4: Simplify right side
    104,934.89x = 8,281,431,727.85
  5. Step 5: Solve for x
    x = 8,281,431,727.85/104,934.89
  6. Step 6: Final answer
    x = 78,919.71

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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.