Home / 104,939.52-144,812.32-57,191.85

Finding the Fourth Proportional to 104,939.52, 144,812.32 and 57,191.85

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Solution

The fourth proportional to 104,939.52, 144,812.32 and 57,191.85 is: 78,922.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,939.52 : 144,812.32 = 57,191.85 : x
  2. Step 2: Convert to fraction form
    104,939.52/144,812.32 = 57,191.85/x
  3. Step 3: Cross multiply
    104,939.52x = 144,812.32 × 57,191.85
  4. Step 4: Simplify right side
    104,939.52x = 8,282,084,483.59
  5. Step 5: Solve for x
    x = 8,282,084,483.59/104,939.52
  6. Step 6: Final answer
    x = 78,922.45

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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.