Home / 104,631.20-144,134.75-75,866.34

Finding the Fourth Proportional to 104,631.20, 144,134.75 and 75,866.34

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Solution

The fourth proportional to 104,631.20, 144,134.75 and 75,866.34 is: 104,509.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,631.20 : 144,134.75 = 75,866.34 : x
  2. Step 2: Convert to fraction form
    104,631.20/144,134.75 = 75,866.34/x
  3. Step 3: Cross multiply
    104,631.20x = 144,134.75 × 75,866.34
  4. Step 4: Simplify right side
    104,631.20x = 10,934,975,949.32
  5. Step 5: Solve for x
    x = 10,934,975,949.32/104,631.20
  6. Step 6: Final answer
    x = 104,509.71

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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.