Home / 163,926.40-245,889.60-107,939.20

Finding the Fourth Proportional to 163,926.40, 245,889.60 and 107,939.20

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Solution

The fourth proportional to 163,926.40, 245,889.60 and 107,939.20 is: 161,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,926.40 : 245,889.60 = 107,939.20 : x
  2. Step 2: Convert to fraction form
    163,926.40/245,889.60 = 107,939.20/x
  3. Step 3: Cross multiply
    163,926.40x = 245,889.60 × 107,939.20
  4. Step 4: Simplify right side
    163,926.40x = 26,541,126,712.32
  5. Step 5: Solve for x
    x = 26,541,126,712.32/163,926.40
  6. Step 6: Final answer
    x = 161,908.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.