Home / 100,775.07-151,118.82-30,637.98

Finding the Fourth Proportional to 100,775.07, 151,118.82 and 30,637.98

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Solution

The fourth proportional to 100,775.07, 151,118.82 and 30,637.98 is: 45,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,775.07 : 151,118.82 = 30,637.98 : x
  2. Step 2: Convert to fraction form
    100,775.07/151,118.82 = 30,637.98/x
  3. Step 3: Cross multiply
    100,775.07x = 151,118.82 × 30,637.98
  4. Step 4: Simplify right side
    100,775.07x = 4,629,975,384.78
  5. Step 5: Solve for x
    x = 4,629,975,384.78/100,775.07
  6. Step 6: Final answer
    x = 45,943.66

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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.