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Finding the Fourth Proportional to 148,458.60, 222,542.10 and 73,590.30

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Solution

The fourth proportional to 148,458.60, 222,542.10 and 73,590.30 is: 110,313.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,458.60 : 222,542.10 = 73,590.30 : x
  2. Step 2: Convert to fraction form
    148,458.60/222,542.10 = 73,590.30/x
  3. Step 3: Cross multiply
    148,458.60x = 222,542.10 × 73,590.30
  4. Step 4: Simplify right side
    148,458.60x = 16,376,939,901.63
  5. Step 5: Solve for x
    x = 16,376,939,901.63/148,458.60
  6. Step 6: Final answer
    x = 110,313.18

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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.