Home / 132,003.40-197,567.70-121,505.80

Finding the Fourth Proportional to 132,003.40, 197,567.70 and 121,505.80

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Solution

The fourth proportional to 132,003.40, 197,567.70 and 121,505.80 is: 181,856.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,003.40 : 197,567.70 = 121,505.80 : x
  2. Step 2: Convert to fraction form
    132,003.40/197,567.70 = 121,505.80/x
  3. Step 3: Cross multiply
    132,003.40x = 197,567.70 × 121,505.80
  4. Step 4: Simplify right side
    132,003.40x = 24,005,621,442.66
  5. Step 5: Solve for x
    x = 24,005,621,442.66/132,003.40
  6. Step 6: Final answer
    x = 181,856.08

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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.