Home / 132,345.20-198,406.15-57,408.93

Finding the Fourth Proportional to 132,345.20, 198,406.15 and 57,408.93

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Solution

The fourth proportional to 132,345.20, 198,406.15 and 57,408.93 is: 86,064.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,345.20 : 198,406.15 = 57,408.93 : x
  2. Step 2: Convert to fraction form
    132,345.20/198,406.15 = 57,408.93/x
  3. Step 3: Cross multiply
    132,345.20x = 198,406.15 × 57,408.93
  4. Step 4: Simplify right side
    132,345.20x = 11,390,284,776.92
  5. Step 5: Solve for x
    x = 11,390,284,776.92/132,345.20
  6. Step 6: Final answer
    x = 86,064.96

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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.