Home / 148,122.60-222,235.74-42,947.88

Finding the Fourth Proportional to 148,122.60, 222,235.74 and 42,947.88

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Solution

The fourth proportional to 148,122.60, 222,235.74 and 42,947.88 is: 64,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,122.60 : 222,235.74 = 42,947.88 : x
  2. Step 2: Convert to fraction form
    148,122.60/222,235.74 = 42,947.88/x
  3. Step 3: Cross multiply
    148,122.60x = 222,235.74 × 42,947.88
  4. Step 4: Simplify right side
    148,122.60x = 9,544,553,893.23
  5. Step 5: Solve for x
    x = 9,544,553,893.23/148,122.60
  6. Step 6: Final answer
    x = 64,436.85

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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.