Home / 131,597.01-181,439.30-109,824.63

Finding the Fourth Proportional to 131,597.01, 181,439.30 and 109,824.63

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Solution

The fourth proportional to 131,597.01, 181,439.30 and 109,824.63 is: 151,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,597.01 : 181,439.30 = 109,824.63 : x
  2. Step 2: Convert to fraction form
    131,597.01/181,439.30 = 109,824.63/x
  3. Step 3: Cross multiply
    131,597.01x = 181,439.30 × 109,824.63
  4. Step 4: Simplify right side
    131,597.01x = 19,926,503,440.84
  5. Step 5: Solve for x
    x = 19,926,503,440.84/131,597.01
  6. Step 6: Final answer
    x = 151,420.64

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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.