Home / 131,267.64-181,394.56-107,385.60

Finding the Fourth Proportional to 131,267.64, 181,394.56 and 107,385.60

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Solution

The fourth proportional to 131,267.64, 181,394.56 and 107,385.60 is: 148,392.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,267.64 : 181,394.56 = 107,385.60 : x
  2. Step 2: Convert to fraction form
    131,267.64/181,394.56 = 107,385.60/x
  3. Step 3: Cross multiply
    131,267.64x = 181,394.56 × 107,385.60
  4. Step 4: Simplify right side
    131,267.64x = 19,479,163,662.34
  5. Step 5: Solve for x
    x = 19,479,163,662.34/131,267.64
  6. Step 6: Final answer
    x = 148,392.73

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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.