Home / 143,134.94-197,569.80-89,385.74

Finding the Fourth Proportional to 143,134.94, 197,569.80 and 89,385.74

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Solution

The fourth proportional to 143,134.94, 197,569.80 and 89,385.74 is: 123,379.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,134.94 : 197,569.80 = 89,385.74 : x
  2. Step 2: Convert to fraction form
    143,134.94/197,569.80 = 89,385.74/x
  3. Step 3: Cross multiply
    143,134.94x = 197,569.80 × 89,385.74
  4. Step 4: Simplify right side
    143,134.94x = 17,659,922,774.65
  5. Step 5: Solve for x
    x = 17,659,922,774.65/143,134.94
  6. Step 6: Final answer
    x = 123,379.54

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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.