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Finding the Fourth Proportional to 148,857.60, 222,897.60 and 141,859.20

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Solution

The fourth proportional to 148,857.60, 222,897.60 and 141,859.20 is: 212,418.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,857.60 : 222,897.60 = 141,859.20 : x
  2. Step 2: Convert to fraction form
    148,857.60/222,897.60 = 141,859.20/x
  3. Step 3: Cross multiply
    148,857.60x = 222,897.60 × 141,859.20
  4. Step 4: Simplify right side
    148,857.60x = 31,620,075,217.92
  5. Step 5: Solve for x
    x = 31,620,075,217.92/148,857.60
  6. Step 6: Final answer
    x = 212,418.28

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1.5x scale

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.