Home / 100,530.67-150,566.25-47,977.06

Finding the Fourth Proportional to 100,530.67, 150,566.25 and 47,977.06

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Solution

The fourth proportional to 100,530.67, 150,566.25 and 47,977.06 is: 71,855.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,530.67 : 150,566.25 = 47,977.06 : x
  2. Step 2: Convert to fraction form
    100,530.67/150,566.25 = 47,977.06/x
  3. Step 3: Cross multiply
    100,530.67x = 150,566.25 × 47,977.06
  4. Step 4: Simplify right side
    100,530.67x = 7,223,726,010.23
  5. Step 5: Solve for x
    x = 7,223,726,010.23/100,530.67
  6. Step 6: Final answer
    x = 71,855.94

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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.