Home / 131,714.30-181,716.81-83,956.70

Finding the Fourth Proportional to 131,714.30, 181,716.81 and 83,956.70

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Solution

The fourth proportional to 131,714.30, 181,716.81 and 83,956.70 is: 115,829.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,714.30 : 181,716.81 = 83,956.70 : x
  2. Step 2: Convert to fraction form
    131,714.30/181,716.81 = 83,956.70/x
  3. Step 3: Cross multiply
    131,714.30x = 181,716.81 × 83,956.70
  4. Step 4: Simplify right side
    131,714.30x = 15,256,343,702.13
  5. Step 5: Solve for x
    x = 15,256,343,702.13/131,714.30
  6. Step 6: Final answer
    x = 115,829.06

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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.