Home / 147,431.37-220,822.90-121,840.86

Finding the Fourth Proportional to 147,431.37, 220,822.90 and 121,840.86

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Solution

The fourth proportional to 147,431.37, 220,822.90 and 121,840.86 is: 182,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,431.37 : 220,822.90 = 121,840.86 : x
  2. Step 2: Convert to fraction form
    147,431.37/220,822.90 = 121,840.86/x
  3. Step 3: Cross multiply
    147,431.37x = 220,822.90 × 121,840.86
  4. Step 4: Simplify right side
    147,431.37x = 26,905,252,043.69
  5. Step 5: Solve for x
    x = 26,905,252,043.69/147,431.37
  6. Step 6: Final answer
    x = 182,493.40

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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.