Home / 131,769.06-181,767.08-83,356

Finding the Fourth Proportional to 131,769.06, 181,767.08 and 83,356

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Solution

The fourth proportional to 131,769.06, 181,767.08 and 83,356 is: 114,984.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,769.06 : 181,767.08 = 83,356 : x
  2. Step 2: Convert to fraction form
    131,769.06/181,767.08 = 83,356/x
  3. Step 3: Cross multiply
    131,769.06x = 181,767.08 × 83,356
  4. Step 4: Simplify right side
    131,769.06x = 15,151,376,720.48
  5. Step 5: Solve for x
    x = 15,151,376,720.48/131,769.06
  6. Step 6: Final answer
    x = 114,984.33

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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.