Home / 100,855.19-151,239.05-34,277.45

Finding the Fourth Proportional to 100,855.19, 151,239.05 and 34,277.45

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Solution

The fourth proportional to 100,855.19, 151,239.05 and 34,277.45 is: 51,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,855.19 : 151,239.05 = 34,277.45 : x
  2. Step 2: Convert to fraction form
    100,855.19/151,239.05 = 34,277.45/x
  3. Step 3: Cross multiply
    100,855.19x = 151,239.05 × 34,277.45
  4. Step 4: Simplify right side
    100,855.19x = 5,184,088,175.38
  5. Step 5: Solve for x
    x = 5,184,088,175.38/100,855.19
  6. Step 6: Final answer
    x = 51,401.30

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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.