Home / 131,988.64-181,134.44-131,055.52

Finding the Fourth Proportional to 131,988.64, 181,134.44 and 131,055.52

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Solution

The fourth proportional to 131,988.64, 181,134.44 and 131,055.52 is: 179,853.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,988.64 : 181,134.44 = 131,055.52 : x
  2. Step 2: Convert to fraction form
    131,988.64/181,134.44 = 131,055.52/x
  3. Step 3: Cross multiply
    131,988.64x = 181,134.44 × 131,055.52
  4. Step 4: Simplify right side
    131,988.64x = 23,738,668,224.11
  5. Step 5: Solve for x
    x = 23,738,668,224.11/131,988.64
  6. Step 6: Final answer
    x = 179,853.87

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.