Home / 99,962.19-150,017.22-47,371.77

Finding the Fourth Proportional to 99,962.19, 150,017.22 and 47,371.77

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Solution

The fourth proportional to 99,962.19, 150,017.22 and 47,371.77 is: 71,092.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,962.19 : 150,017.22 = 47,371.77 : x
  2. Step 2: Convert to fraction form
    99,962.19/150,017.22 = 47,371.77/x
  3. Step 3: Cross multiply
    99,962.19x = 150,017.22 × 47,371.77
  4. Step 4: Simplify right side
    99,962.19x = 7,106,581,241.88
  5. Step 5: Solve for x
    x = 7,106,581,241.88/99,962.19
  6. Step 6: Final answer
    x = 71,092.69

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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.