Home / 95,455.24-143,104.02-42,109.18

Finding the Fourth Proportional to 95,455.24, 143,104.02 and 42,109.18

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Solution

The fourth proportional to 95,455.24, 143,104.02 and 42,109.18 is: 63,128.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,455.24 : 143,104.02 = 42,109.18 : x
  2. Step 2: Convert to fraction form
    95,455.24/143,104.02 = 42,109.18/x
  3. Step 3: Cross multiply
    95,455.24x = 143,104.02 × 42,109.18
  4. Step 4: Simplify right side
    95,455.24x = 6,025,992,936.90
  5. Step 5: Solve for x
    x = 6,025,992,936.90/95,455.24
  6. Step 6: Final answer
    x = 63,128.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.