Home / 131,298.66-181,009.46-110,965.03

Finding the Fourth Proportional to 131,298.66, 181,009.46 and 110,965.03

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Solution

The fourth proportional to 131,298.66, 181,009.46 and 110,965.03 is: 152,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,298.66 : 181,009.46 = 110,965.03 : x
  2. Step 2: Convert to fraction form
    131,298.66/181,009.46 = 110,965.03/x
  3. Step 3: Cross multiply
    131,298.66x = 181,009.46 × 110,965.03
  4. Step 4: Simplify right side
    131,298.66x = 20,085,719,151.84
  5. Step 5: Solve for x
    x = 20,085,719,151.84/131,298.66
  6. Step 6: Final answer
    x = 152,977.34

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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.