Home / 104,929.70-144,798.76-57,182.02

Finding the Fourth Proportional to 104,929.70, 144,798.76 and 57,182.02

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Solution

The fourth proportional to 104,929.70, 144,798.76 and 57,182.02 is: 78,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,929.70 : 144,798.76 = 57,182.02 : x
  2. Step 2: Convert to fraction form
    104,929.70/144,798.76 = 57,182.02/x
  3. Step 3: Cross multiply
    104,929.70x = 144,798.76 × 57,182.02
  4. Step 4: Simplify right side
    104,929.70x = 8,279,885,590.30
  5. Step 5: Solve for x
    x = 8,279,885,590.30/104,929.70
  6. Step 6: Final answer
    x = 78,908.88

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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.