Home / 148,318.40-222,501.86-48,449.60

Finding the Fourth Proportional to 148,318.40, 222,501.86 and 48,449.60

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Solution

The fourth proportional to 148,318.40, 222,501.86 and 48,449.60 is: 72,682.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,318.40 : 222,501.86 = 48,449.60 : x
  2. Step 2: Convert to fraction form
    148,318.40/222,501.86 = 48,449.60/x
  3. Step 3: Cross multiply
    148,318.40x = 222,501.86 × 48,449.60
  4. Step 4: Simplify right side
    148,318.40x = 10,780,126,116.26
  5. Step 5: Solve for x
    x = 10,780,126,116.26/148,318.40
  6. Step 6: Final answer
    x = 72,682.32

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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.