Home / 100,681.58-151,011.96-34,119.98

Finding the Fourth Proportional to 100,681.58, 151,011.96 and 34,119.98

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Solution

The fourth proportional to 100,681.58, 151,011.96 and 34,119.98 is: 51,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,681.58 : 151,011.96 = 34,119.98 : x
  2. Step 2: Convert to fraction form
    100,681.58/151,011.96 = 34,119.98/x
  3. Step 3: Cross multiply
    100,681.58x = 151,011.96 × 34,119.98
  4. Step 4: Simplify right side
    100,681.58x = 5,152,524,299.90
  5. Step 5: Solve for x
    x = 5,152,524,299.90/100,681.58
  6. Step 6: Final answer
    x = 51,176.44

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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.