Home / 114,822.12-158,481.18-72,438.60

Finding the Fourth Proportional to 114,822.12, 158,481.18 and 72,438.60

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Solution

The fourth proportional to 114,822.12, 158,481.18 and 72,438.60 is: 99,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,822.12 : 158,481.18 = 72,438.60 : x
  2. Step 2: Convert to fraction form
    114,822.12/158,481.18 = 72,438.60/x
  3. Step 3: Cross multiply
    114,822.12x = 158,481.18 × 72,438.60
  4. Step 4: Simplify right side
    114,822.12x = 11,480,154,805.55
  5. Step 5: Solve for x
    x = 11,480,154,805.55/114,822.12
  6. Step 6: Final answer
    x = 99,982.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.