Home / 100,726.59-151,091.63-34,168.44

Finding the Fourth Proportional to 100,726.59, 151,091.63 and 34,168.44

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Solution

The fourth proportional to 100,726.59, 151,091.63 and 34,168.44 is: 51,253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,726.59 : 151,091.63 = 34,168.44 : x
  2. Step 2: Convert to fraction form
    100,726.59/151,091.63 = 34,168.44/x
  3. Step 3: Cross multiply
    100,726.59x = 151,091.63 × 34,168.44
  4. Step 4: Simplify right side
    100,726.59x = 5,162,565,123.32
  5. Step 5: Solve for x
    x = 5,162,565,123.32/100,726.59
  6. Step 6: Final answer
    x = 51,253.25

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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.