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Finding the Fourth Proportional to 153,933, 230,883.24 and 72,860.60

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Solution

The fourth proportional to 153,933, 230,883.24 and 72,860.60 is: 109,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,933 : 230,883.24 = 72,860.60 : x
  2. Step 2: Convert to fraction form
    153,933/230,883.24 = 72,860.60/x
  3. Step 3: Cross multiply
    153,933x = 230,883.24 × 72,860.60
  4. Step 4: Simplify right side
    153,933x = 16,822,291,396.34
  5. Step 5: Solve for x
    x = 16,822,291,396.34/153,933
  6. Step 6: Final answer
    x = 109,283.20

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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.