Home / 131,088.09-196,507.55-83,569.82

Finding the Fourth Proportional to 131,088.09, 196,507.55 and 83,569.82

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Solution

The fourth proportional to 131,088.09, 196,507.55 and 83,569.82 is: 125,275.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,088.09 : 196,507.55 = 83,569.82 : x
  2. Step 2: Convert to fraction form
    131,088.09/196,507.55 = 83,569.82/x
  3. Step 3: Cross multiply
    131,088.09x = 196,507.55 × 83,569.82
  4. Step 4: Simplify right side
    131,088.09x = 16,422,100,582.14
  5. Step 5: Solve for x
    x = 16,422,100,582.14/131,088.09
  6. Step 6: Final answer
    x = 125,275.31

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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.