Home / 131,258.34-181,137.06-73,898.64

Finding the Fourth Proportional to 131,258.34, 181,137.06 and 73,898.64

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Solution

The fourth proportional to 131,258.34, 181,137.06 and 73,898.64 is: 101,980.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,258.34 : 181,137.06 = 73,898.64 : x
  2. Step 2: Convert to fraction form
    131,258.34/181,137.06 = 73,898.64/x
  3. Step 3: Cross multiply
    131,258.34x = 181,137.06 × 73,898.64
  4. Step 4: Simplify right side
    131,258.34x = 13,385,782,387.60
  5. Step 5: Solve for x
    x = 13,385,782,387.60/131,258.34
  6. Step 6: Final answer
    x = 101,980.43

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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.