Home / 148,647.34-222,985.32-42,034.78

Finding the Fourth Proportional to 148,647.34, 222,985.32 and 42,034.78

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Solution

The fourth proportional to 148,647.34, 222,985.32 and 42,034.78 is: 63,056.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,647.34 : 222,985.32 = 42,034.78 : x
  2. Step 2: Convert to fraction form
    148,647.34/222,985.32 = 42,034.78/x
  3. Step 3: Cross multiply
    148,647.34x = 222,985.32 × 42,034.78
  4. Step 4: Simplify right side
    148,647.34x = 9,373,138,869.43
  5. Step 5: Solve for x
    x = 9,373,138,869.43/148,647.34
  6. Step 6: Final answer
    x = 63,056.22

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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.